Repository
Heinz History Center
Title Koppers Company, Inc. Records Creator
Koppers Company, Inc. (Pittsburgh, Pa.)
Collection Number MSS 990 Extent
15.5 linear feet
(25 boxes + O/S)
Date 1902-2009 Date 1917-1988 Abstract Koppers Company, Inc. was established by the German engineer, Heinrich Koppers, as a coke production company in 1907. Koppers had invented a chemical-recovery coke oven that greatly increased the quality of coke output while also stimulating recovery of coal gases, tar, and other chemicals. Koppers sold his controlling stake in the company to a group of investors including Andrew Mellon and H. B. Rust in 1914. At this point, the company's headquarters were transferred from Chicago to Pittsburgh, Pa. With this transition, H. B. Rust was elected president and CEO of Koppers. Koppers would establish itself as a world leader and innovator in coke and coke by-product production. The Koppers Company, Inc. Records are comprised of administrative records, research and development materials, manuals, patents (1902-1935), financial records, public relations and product catalogs, and photographs that document the evolution of Koppers' business functions. Language The material in this collection is in English. Author The guide to this collection was written by Sierra Green and Nick Hartley. The guide to this collection was revised by Bryan Brown in May 2021, following an accession to the collection. Publisher Heinz History Center Address 1212 Smallman St.https://www.heinzhistorycenter.org History
The roots of Koppers Company, Inc. can be traced to German engineer, Heinrich Koppers, and his innovations in the coke production industry. Koppers invented a chemical-recovery coke oven that greatly increased the quality of coke output while also augmenting heating efficiency and economy. In addition, Koppers' process stimulated recovery of coal gases, tar, and other chemicals. After meeting with representatives from the United States Steel Corporation (US Steel) in 1907, Koppers agreed to build a coke plant in the United States. The H. Koppers Company was incorporated five years later in 1912, with company headquarters in Chicago, Il. After managing his company remotely from Essen, Germany for two years, Koppers sold his controlling stake in the company to a group of investors including Andrew Mellon and H. B. Rust. At this point, the company's headquarters were transferred from Chicago to Pittsburgh, Pa. With this transition, H. B. Rust was elected president and CEO of Koppers, a title he would hold until his retirement in 1933. Following Rust's retirement, leadership of Koppers was placed in the following men: J. P. Tierney (1933-1944), General Brehon B. Somervell (1946-1955), Fred C. Foy, (1955-1960), Fletcher L. Byrom (1960-1968), Douglas Grymes (1968-1986), and Glen Tenley (1986-1988).
At the onset of World War I, Koppers answered the wartime demand for coke by expanding their coke production at an average pace of adding one complete coke plant every 60 days. Recognizing the value of innovation in business, Koppers established a research division in 1915. While assuaging the nation's need for coke, H. B. Rust and other Koppers administrators also recognized an opportunity to expand into the coal, gas, chemical and public-utility industries. Throughout the course of this expansion, Koppers supplied gas from their coke plants to various cities, including New York, New Haven, Montreal, St. Paul, Philadelphia, and Chicago. In addition, Koppers acquired coal mines to supply their plants, purchased shares in railroad companies that transported their coal, and bought a metal-fabricating company to fill their industrial equipment needs. It was during this period of diversification that Koppers began to develop tar refining and tar products, wood preserving, plastics and chemical industries as an offshoot of their established coke production functions.
With the Second World War came an unprecedented demand of basic coal chemicals and chemically-derived products. From this demand arose Koppers' exploration into rubber and plastics production throughout the 1940s and 1950s, which stimulate production of chemicals such as styrene, polystyrene, polyethylene, and the coal-petroleum chemical, ethylbenzene. In addition to rubbers and plastics, Koppers also extended itself into the dye industry with the acquisition of Aniline Products Company and its plant in Lock Haven, Pa. in 1955. Koppers continued to expand its lucrative work in chemicals and plastics throughout the 1950s and 1960s in the form of expanded industrial chemical, resin, and coatings production. Throughout the 1970s, Koppers stimulated production of road-paving chemicals while also becoming invested in genetic engineering. Koppers consolidated its various industrial pursuits in the 1980s which included selling off its Engineered Product division, its wood-laminating business, and some of its coke plants. In addition, Koppers established a subsidiary referred to as Keystone Environmental Services in 1986 to manage and address internal environmental concerns while also marketing its environmental technology to other industries.
In 1988, a controlling stake in Koppers was acquired by Beazer, a British conglomerate, for 1.81 billion dollars. While Koppers' headquarters remained in Pittsburgh, Beazer sold the company's chemical and allied products division. In 2013, Koppers was engaged in producing carbon materials and chemicals as well as railroad and utility products. It maintained facilities in the United States, the United Kingdom, Denmark, Australia, China and South Africa.
Scope and Content Notes The Koppers Company, Inc. Records are comprised of administrative records, research and development materials, manuals, patents (1902-1935), financial records, public relations and product catalogs, and photographs that document the evolution of Koppers' business functions. The Koppers Company, Inc. Records are housed in 24 boxes and are arranged in four series: Administrative Records, Financial Records, Photographs, and Oversized Materials.
Arrangement
The Koppers Company, Inc. Records is arranged into four series.
Series I. Administrative Records, 1902-2009 (bulk 1917-1988) Series II. Financial Records, 1946-1977 (bulk 1974-1977) Series III. Photographs, 1917-1993 (bulk 1917-c. 1940) Subseries I. Prints, 1917-1993 (bulk 1917-1928) Subseries II. Lantern Slides, c.1910-1940 Series IV. Oversized Material, 1937-1982 Conditions Governing Access
Some lantern slides in Series III of this collection are cracked. Please see reference staff concerning access restrictions.
Immediate Source of Acquisition
Gifts from Fitzhugh Brown in 1998, 2001, and 2003.
Archives accession # 1998.0002, 2001.0153, and 2003.0028
Gift from Fitzhugh Brown and George Tannehill in 1999.
Archives accession # 1999.0010
Gift from Hatch Associates Consultants, Inc. in 2012.
Archives accession # 2012.0074
Gift from Mary Florence Brown in 2020.
Archives accession # 2020.0032
Preferred Citation
Koppers Company, Inc. Records, 1902-2009 (bulk 1917-1988), MSS 990, Detre Library & Archives, Heinz History Center
Processing Information
Preliminary processing by Sierra Green on 09/12/2013.
Preliminary completed by Nick Hartley in June, 2015.
Additional inventorying and EAD encoding completed byJames Northway in July, 2016.
Finding aid edited after accession byBryan Brown in May, 2021.
Conditions Governing Use
Property rights reside with the Senator John Heinz History Center. Literary rights are retained by the creators of the records and their heirs. For permission to reproduce or publish, please contact the Library and Archives of the Senator John Heinz History Center.
Related Materials
Edmund S. Ruffin Papers, 1950-1975, MFF 4919, Thomas and Katherine Detre Library and Archives, Senator John Heinz History Center.
Hager-Jones Family Papers, 1862-1990, MSS 189, Thomas and Katherine Detre Library and Archives, Senator John Heinz History Center.
Coke Oven Plant Construction and Development in 1942 . MFF 1106, Thomas and Katherine Detre Library and Archives, Senator John Heinz History Center.
Separated Materials
To library:
Koppers: Modern Coke Oven Design and Practice . Pittsburgh: Koppers Company, Inc., 1938.
Koppers International: Builder of Industrial Enterprise . Pittsburgh: Koppers Company, Inc., 1968.
Ovens, Chemicals and Men! . Pittsburgh: Koppers Company, Inc., 1958.
Story of Coke and Coal Chemicals . Pittsburgh: Koppers Company, Inc., n.d.
Koppers Company Annual Reports, 1960-1982, 1985.
Coal and Coke Research: a Selection of Reprinted Papers . Pittsburgh: Koppers Company, Inc., ca. 1950. HD 9549 .K6 C6 f
Gas Fundamentals: a Compilation of Basic Gas Facts Needed for Evaluation of Problems Facing the Gas Industry Today . Pittsburgh; Koppers Company, Inc., 1950. TP 751 .K6 1950 f
Koppers . Pittsburgh: Koppers Company, Inc., 1961. HD9715 .K6 K6 1936 ff.
Koppers and Research . Pittsburgh: Koppers Company, Inc., 1961. F159.24 .K83 f.
Koppers-Becker Coke Ovens . Pittsburgh: Koppers Company, Inc., 1944. TP336 .K83 1944 f.
W. C. Rueckel. New Principles in Heating Koppers-Becker Coke Ovens . [n.p.], Koppers Company, Inc., [n.d.]. TP 336 .R8 f
Charles Chauncey Russell. The Selection of Coals for the Manufacture of Coke . Pittsburgh: Koppers Company, Inc., ca.1947. TP336 .R8 f
Michael A. Cardo. The Story behind Kobuta: Plancor 483 . Pittsburgh, Koppers Company, Inc., 1966. HD9715 .K6 T5 1966 q
Thirteen Design Ideas Using Koppers Building Products . Pittsburgh: Koppers Company, Inc., 1966. HD9715 .K6 T5 1966 q
Subjects Corporate Names Koppers Company, Inc. (Pittsburgh, Pa.) Chicago By-Product Coke Company (Chicago, Il.) Minnesota By-Product Coke Co. (St. Paul, Mn.) Koppers Company, Inc. Seaboard Plant (Kearny, Nj.) Brooklyn Union Coke Gas Company (New York, Ny.) Connecticut Coke Company (New Haven, Ct.) Koppers Building (Pittsburgh, Pa. Allegheny Country Club (Pittsburgh, Pa.) 11th Street Power Plant (Pittsburgh, Pa.) Personal Names Rust, H. B. Mellon, Andrew (1855-1937) DuPont, Irénée (1876-1963) Eaton, Cyrus (1883-1979) Koppers, Heinrich (1872-1941) Rust family Brown family Other Subjects Chemical industry--United States Coal--United States Coke industry--United States Coke industry and trade--United States Gas industry--United States Research, industrial--United States Coke-ovens--United States Container List Series I. Administrative Records , 1902-2009 Scope and Contents The records in this series are comprised of company histories, reproductions of board of directors meeting minutes (1961-1988), speeches and articles on Koppers, telephone directories, and interoffice correspondence (1974) on combustion turbines and methyl fuels. Also included are internal publications such as Koppers in the News (1949, 1951, 1971-1977) and company newsletters. This series also contains bound volumes of Koppers' patents from 1902-1935 and civil action suit records.
Records pertaining to Koppers' president H. B. Rust consist of internal reports on the coal, natural gas, pipelines, film, and clock production industries (1926-1932), a reproduction of Rust's written account of business activities (1927), and an aggregate of research on and correspondence with fellow coke and steel production companies (1916). In particular, Rust's written account documents his daily business activities including negotiations with conspicuous figures in industry such as Irénée DuPont, Andrew Mellon and Cyrus Eaton.
Research materials in this series consist primarily of research articles on a variety of processes pertaining to Koppers' industrial activities, including coal production and iron and coke making (1959-1977). Topics addressed in the Koppers manual include by-product coke plant processes and the operation of coke ovens.
Board of directors meeting minutes reflect the company's activities over time and consist of financial reports, nominations, acquisitions of properties and companies, and merger records. The meeting minutes also include reproductions of Koppers' certificate of incorporation, by-laws, and minutes of incorporation.
Company Histories
Research on Koppers , 1929-1976 Containers Box 1 , Folder 1 Koppers Company History by H.B. Rust , 1933 Containers Box 1 , Folder 2 Company histories , 1944-2004 Containers Box 1 , Folder 3 Chicago Bridge and Iron Co. , 1949 Containers Box 1 , Folder 4 Articles
Fortune Magazine Articles1930-1952 Containers Box 1 , Folder 5 Unidentified Koppers publication, draft by Nils Anderson , n.d. Containers Box 1 , Folder 6 Articles on Koppers Employees , 1936-2009 Containers Box 1 , Folder 7 "The Koppers Story" (speech) , c. 1970 Containers Box 1 , Folder 8 Newsletters
Koppers in the News 1949-1977 Containers Box 1 , Folder 9 Koppers Newsletters , 1975-2009 Containers Box 1 , Folder 10 Board of Directors meeting program , 1951 Containers Box 1 , Folder 11 Board of Directors and Senior Management Biographies , 1978 Containers Box 1 , Folder 12 Interoffice correspondence: combustion turbines , 1974 Containers Box 1 , Folder 13 Telephone directories , 1975-1985 Containers Box 1 , Folder 14 Research and Development
H.B. Rust research and correspondence , 1916 Containers Box 1 , Folder 14 H.B. Rust internal reports , 1926-1932 Containers Box 1 , Folder 15 W. F. Rust Address and H. B. Rust Correspondence , 1927-1934 Containers Box 1 , Folder 17 H. B. Rust Memos and Notes , 1927-1934 Containers Box 1 , Folder 18 H. B. Rust Memos and Notes , 1927-1932 Containers Box 5 , Folder 1 Memos - Koppers Affairs and Joseph Gerney & Company , 1940-1965 Containers Box 1 , Folder 19 Research and Development articles: coal production , 1959-1976 Containers Box 1 , Folder 20 Research and Development articles: coal production , 1973-1975 Containers Box 1 , Folder 21 Research and Development articles: iron/coke production , 1974-1997 Containers Box 1 , Folder 22 By-Product Coke Plant Equipment and Process Review: Design and Operation of Coke Ovens , 1975 Containers Box 1 , Folder 23 Study of Steelworks in Paz de Rio, Columbia (in Spanish) , 1958 Containers Box 1 , Folder 24 Public Relations
Products Catalogs I , c.1970-1980 Containers Box 1 , Folder 25 Products Catalogs II , c. 1970-1980 Containers Box 1 , Folder 26 Koppers Building PR publications , 1958-2012 Containers Box 1 , Folder 27 The Koppers Building Promotional VHS Tape , c. 1991 Containers Box 1 , Folder 28 Certificate of Incorporation and By-laws , 1944 Containers Box 2 , Folder 1 Board Meeting Minutes
1944 Containers Box 2 , Folder 2 1945 Containers Box 2 , Folder 3 1946 Containers Box 2 , Folder 4 1947 Containers Box 2 , Folder 5 1948 Containers Box 2 , Folder 6 1949 Containers Box 2 , Folder 7 1950 Containers Box 2 , Folder 8 1951 Containers Box 2 , Folder 9 1952 Containers Box 2 , Folder 10 1953 Containers Box 2 , Folder 11 1954 Containers Box 2 , Folder 12 1955 Containers Box 2 , Folder 13 1956 Containers Box 2 , Folder 14 1957 Containers Box 2 , Folder 15 1958 Containers Box 2 , Folder 16 1959 Containers Box 2 , Folder 17 1960 Containers Box 2 , Folder 18 1961 Containers Box 2 , Folder 19 1962 Containers Box 2 , Folder 20 1963 Containers Box 2 , Folder 21 1964 Containers Box 2 , Folder 22 1965 Containers Box 2 , Folder 23 1966 Containers Box 2 , Folder 24 1967 Containers Box 2 , Folder 25 1968 Containers Box 2 , Folder 26 1969 Containers Box 2 , Folder 27 1970 Containers Box 2 , Folder 28 1971 Containers Box 2 , Folder 29 1972 Containers Box 2 , Folder 30 1973 Containers Box 3 , Folder 1 1974 Containers Box 3 , Folder 2 1975 Containers Box 3 , Folder 3 1976 Containers Box 3 , Folder 4 1977 Containers Box 3 , Folder 5 1978 Containers Box 3 , Folder 6 1979 Containers Box 3 , Folder 7 1980 Containers Box 3 , Folder 8 1981 Containers Box 3 , Folder 9 1982 Containers Box 3 , Folder 10 1983 Containers Box 3 , Folder 11 1984 Containers Box 3 , Folder 12 1985 Containers Box 3 , Folder 13 1986 Containers Box 3 , Folder 14 1987 Containers Box 3 , Folder 15 1988 Containers Box 3 , Folder 16 Patents
714,195 – 1,361,671 , 1902-1920 Containers Box 4 , Volume 1 1,366,111 – 1,584,852 , 1920-1926 Containers Box 4 , Volume 2 1,592,648 – 1,716,071 , 1926-1929 Containers Box 4 , Volume 3 1,716,643 – 1,799,670 , 1929-1931 Containers Box 4 , Volume 4 1,799,702 – 1,891,772 , 1931-1932 Containers Box 4 , Volume 5 1,894,252 – 1,937,196 , 1932-1933 Containers Box 4 , Volume 6 1,942,050 – 2,020,919 , 1934-1935 Containers Box 4 , Volume 7 Koppers vs. Krupp-Koppers civil action suit
Supporting documents , 1947-1976 Containers Box 5 , Folder 2 Briefs , 1981 Containers Box 5 , Folder 3 Series II. Financial Records , 1946-1977 Scope and Contents Financial records include a bound volume of stock shares, stock reports, financial reports from various departments, a field accounting procedure manual, and interoffice correspondence and contracts.
Stock Shares , 1946 Containers Box 5 , Volume [1] Financial Reports and Stock Information , 1936-1956 Containers Box 5 , Folder 4 Field Accounting and Procedure Manual
Employment and Payroll , 1968 Containers Box 5 , Folder 5 Material , 1968 Containers Box 5 , Folder 6 Tools; General , 1968 Containers Box 5 , Folder 7 Accident and Insurance , 1968 Containers Box 5 , Folder 8 F.L. Brown interoffice correspondence re: contracts , 1974-1977 Containers Box 5 , Folder 9 Series III. Photographs , 1917-1993 Subseries 1 Prints Detroit City Gas Co. Station A , 1917 Containers Box 5 , Folder 10 Detroit City Gas Co. Station B , 1917 Containers Box 5 , Folder 11 By-Product Coke Co. of Canada
No. 0-20 , 1917 Containers Box 5 , Folder 12 No. 21-40 , 1917 Containers Box 5 , Folder 13 No. 41-60 , 1917-1918 Containers Box 5 , Folder 14 No. 61-80 , 1918 Containers Box 5 , Folder 15 No. 81-100 , 1918 Containers Box 5 , Folder 16 No. 101-120 , 1918 Containers Box 5 , Folder 17 No. 121-140 , 1918 Containers Box 5 , Folder 18 No. 141-151 , 1918 Containers Box 5 , Folder 19 Providence Gas Company , 1918 Containers Box 5 , Folder 20 Koppers Co. Algoma #2 , 1919 Containers Box 6 , Folder 1 Connecticut Coke Co. (contract #370)
No. 1-20 , 1927-1928 Containers Box 6 , Folder 2 No. 21-45 , 1927-1928 Containers Box 6 , Folder 3 No. 46-72 , 1927-1928 Containers Box 6 , Folder 4 Montreal Coke and Mfg. Co.
No. 1-20 , 1927 Containers Box 6 , Folder 5 No. 21-39 , 1927 Containers Box 6 , Folder 6 No. 40-59 , 1928 Containers Box 6 , Folder 7 No. 60-77 , 1928 Containers Box 6 , Folder 8 New Orleans Gas Light , n.d. Containers Box 6 , Folder 9 Board Members , 1946-1975 Containers Box 6 , Folder 10 Wheeling-Pittsburgh Coke Ovens Images and Press Release , 1975 Containers Box 6 , Folder 11 Koppers Co., Florence, South Carolina , 1993 Containers Box 6 , Folder 12 Subseries 2 Lantern Slides Load Test Furnace Diagrams (see slide 38) Silica Brick plant - flow sheet Silica Brick plant - yard layout Wall of coke oven Walls of oven - silica and quartzite Section of Silica shape - from oven wall Section of Silica shape - from oven wall Section of Silica shape - from oven wall Section of Silica shape - from oven wall Silica cement plant - flow sheet Containers Box 7 , Slide 10 Test for joining properties Containers Box 7 , Slide 11 Shrinkage of various mortars Containers Box 7 , Slide 12 Shrinkage of various mortars Containers Box 7 , Slide 13 Silica cement—failure Containers Box 7 , Slide 14 Silica cement—failure—excessive shrinkage Containers Box 7 , Slide 15 Silica cement—failure Containers Box 7 , Slide 16 Silica cement—satisfactory material Containers Box 7 , Slide 17 Silica cement—slight shrinkage Containers Box 7 , Slide 18 Silica cement—slight shrinkage Containers Box 7 , Slide 19 Silica cement—failure Containers Box 7 , Slide 20 Firebrick—load test failure—uneven load Containers Box 7 , Slide 21 Silica cement—satisfactory and failure Containers Box 7 , Slide 22 Firebrick—load test—sample 647 Containers Box 7 , Slide 23 Firebrick—load test—sample 1117 Containers Box 7 , Slide 24 Firebrick—load test—sample 770 Containers Box 7 , Slide 25 Firebrick—reheat test Containers Box 7 , Slide 26 Silica shapes Containers Box 7 , Slide 27 Firebrick—load test—samples 12714 and 12715 Containers Box 7 , Slide 28 Firebrick—load test—samples 1640 and 1641 Containers Box 7 , Slide 29 Firebrick—load test—sample 1093 Containers Box 7 , Slide 30 Firebrick—load test and reheat—sample 1117 Containers Box 7 , Slide 31 Firebrick—load test—sample 12716 Containers Box 7 , Slide 32 Firebrick—held at 2800°F Containers Box 7 , Slide 33 Firebrick—load test—sample 1741 Containers Box 7 , Slide 34 Firebrick—load test—sample 1221 Containers Box 7 , Slide 35 Firebrick—load test—satisfactory Containers Box 7 , Slide 36 Load test machine Containers Box 7 , Slide 37 Load test machine diagram Containers Box 7 , Slide 38 Becker oven construction—interior of shed Containers Box 7 , Slide 39 Oven brickwork—top of flues—charging holes Containers Box 7 , Slide 41 Oven brickwork—top of flues—charging holes Containers Box 7 , Slide 42 Oven brickwork—near oven floor Containers Box 7 , Slide 44 Oven brickwork—oven wall—top horizontal flue Containers Box 7 , Slide 45 Oven construction—Seaboard—Jan. 15, 1917 Containers Box 7 , Slide 46 Oven construction—flue walls—Tier #31 Containers Box 7 , Slide 47 Oven construction—end flue and door jam Containers Box 7 , Slide 48 OOven construction—triangular flues Containers Box 7 , Slide 49 OOven construction—section end—tiers 23 to 30 Containers Box 7 , Slide 51 Oven construction—triangular flues—tier 13 Containers Box 7 , Slide 52 Oven construction—triangular flues—tiers 11 to 25 Containers Box 7 , Slide 53 Oven construction—triangular flues—tier 32 Containers Box 7 , Slide 54 Oven construction—triangular flues—tiers 11 to 30 Containers Box 7 , Slide 55 Oven construction—triangular flues—tier 24 Containers Box 7 , Slide 56 Oven construction—triangular flues—tier 10 (without arch) Containers Box 7 , Slide 57 Oven construction—triangular flues—oven walls Containers Box 7 , Slide 58 Title slides Containers Box 7 , Slides 61-90 Battery top—below bin Containers Box 7 , Slide 91 Coke—on wharf Containers Box 7 , Slide 92 Coke—100% Elkhorn—Minnesota By-Product Co.—1918 Containers Box 7 , Slide 93 Coke oven gas heating—Chicago test ovens Containers Box 7 , Slide 94 Coke oven gas heating—Chicago test ovens—reversal Containers Box 7 , Slide 95 empty Containers Box 7 , Slide 96 Geographic location of Ganister in U.S. Containers Box 7 , Slide 97 Gas works—requirements and duties (table) Containers Box 7 , Slide 98 Tyler standard screen scale—ganister grind (graph) Containers Box 7 , Slide 99 Apparent specific gravity vs. expansion (graph) Containers Box 7 , Slide 100 Silica absorption rate (graph) Containers Box 7 , Slide 101 Harbison-Walker Refractories Company—conductivity (table) Containers Box 7 , Slide 102 Thermal conductivity at various temperatures (graph) Containers Box 7 , Slide 103 Expansion of refractory materials (graph) Containers Box 7 , Slide 104 Expansion of refractory materials (graph) Containers Box 7 , Slide 105 Stability relations of silica minerals (graph) Containers Box 7 , Slide 106 Stability relations of silica minerals (graph) Containers Box 7 , Slide 107 Heating curve of silica brick urns (graph) Containers Box 7 , Slide 108 English vs. Orton pyrometric cones Containers Box 7 , Slide 109 English vs. Orton pyrometric cones Containers Box 7 , Slide 110 Silica brick—volumetric expansion Containers Box 7 , Slide 111 Silica brick—failure Containers Box 7 , Slide 112 Silica brick—failure Containers Box 7 , Slide 113 Westerwald brick Containers Box 7 , Slide 114 Cassel ganister brick Containers Box 7 , Slide 115 Silica brick—load test Containers Box 7 , Slide 116 Silica shapes from Raoul Amand et Cie Containers Box 7 , Slide 117 Load test result of silica brick sent by Labesse et Cie Containers Box 7 , Slide 118 Silica shapes—Labesse et Cie Containers Box 7 , Slide 119 Sketch of fusion furnace Containers Box 7 , Slide 120 Progress of coke formation (diagram) Progress of coke formation (diagram) Progress of coke formation (diagram) Progress of coke formation (diagram) Coke and gas prices—high vs. low temp. carbonization (graph) Coal prices—high vs. low temp. carbonization (graph) Coal prices—coal carbonization and power production (graph) Containers Box 8 , Slide 10 Percent reduction in fuel cost of power (graph) Containers Box 8 , Slide 11 Gross revenue from sales of gas, 1921-1925 Containers Box 8 , Slide 12 Gross revenue from sales of gas, 1921-1925 Containers Box 8 , Slide 13 Manufactured gas—estimated production and sales, 1924 Containers Box 8 , Slide 14 Manufactured gas—distribution data Containers Box 8 , Slide 15 Coke oven—gas pressure in Koppers horizontal flue (graph) Containers Box 8 , Slide 18 Coke oven—gas pressure in Becker horizontal flue (graph) Containers Box 8 , Slide 19 Coke oven—stack gas temps—Koppers and Becker ovens (graph) Containers Box 8 , Slide 20 Coke oven—static press—Koppers horizontal flues (graph) Containers Box 8 , Slide 21 Coke oven—Koppers heat distribution (graph) Containers Box 8 , Slide 22 Coke oven—temperature across 21 hours (graph) Containers Box 8 , Slide 23 Coke oven—side coking temps—Koppers oven (graph) Containers Box 8 , Slide 24 Coke oven—heat capacity oven walls (graph) Containers Box 8 , Slide 25 PCoke oven—gas flow in Becker ovens (diagram) Containers Box 8 , Slide 26 Coke oven—temps at 1" from wall (graph) Containers Box 8 , Slide 27 Coke oven—sliding-brick setting calculation (graph) Containers Box 8 , Slide 28 Coke oven—sliding-brick setting calculation (graph) Containers Box 8 , Slide 29 Coke oven—temps regenerator bottom (graph) Containers Box 8 , Slide 30 Light oil—"Benzol" data (table) Containers Box 8 , Slide 31 Coke—porosity data (table) Containers Box 8 , Slide 32 Coke—porosity data (table) Containers Box 8 , Slide 33 Coal-weathering—experimental mine—Bruceton, Pa. (table) Containers Box 8 , Slide 34 Coal-weathering—experimental mine—Bruceton, Pa. (table) Containers Box 8 , Slide 35 Analysis of undercoked by-product—inch by inch (table) Containers Box 8 , Slide 36 Gas evolution upon reheating (graph) Containers Box 8 , Slide 38 Undercoked by-product coke—products of distillation Containers Box 8 , Slide 39 Cole composition and products evolved Containers Box 8 , Slide 40 Carbon dioxide determination (table) Containers Box 8 , Slide 41 Carbon dioxide determination—apparatus (diagram) Containers Box 8 , Slide 42 Coke combustibility—carbon consumption in blast furnace (table) Containers Box 8 , Slide 43 Coke combustibility—carbon consumption in blast furnace (table) Containers Box 8 , Slide 44 Coke combustibility—gas composition (table) Containers Box 8 , Slide 45 Coke combustibility—gas composition (table) Containers Box 8 , Slide 46 Coke combustibility—comparison of five coke CO curves (graph) Containers Box 8 , Slide 47 Coke combustibility—gas composition (graph) Containers Box 8 , Slide 48 Coke combustibility—oxygen disappearance in furnace (graph) Containers Box 8 , Slide 49 Coke combustibility—oxygen disappearance in furnace (graph) Containers Box 8 , Slide 50 Coke combustibility— gas composition (graph) Containers Box 8 , Slide 51 Coke combustibility— gas composition (graph) Containers Box 8 , Slide 52 Coke combustibility—hypothetical combustion zone (diagram) Containers Box 8 , Slide 53 Coke combustibility—probable shape combustion zone (diagram) Containers Box 8 , Slide 54 Coke combustibility—conversion of CO2 to CO (graph) Containers Box 8 , Slide 55 Coke combustibility—gas composition—average curves (graph) Containers Box 8 , Slide 56 Coke combustibility—zones of CO formation (graph)) Containers Box 8 , Slide 58 Coke combustibility—operating data (table) Containers Box 8 , Slide 59 Coke combustibility—experimental furnace (diagram) Containers Box 8 , Slide 60 Coal fields—United States—map Containers Box 8 , Slide 62 Coke production—United States—1908-1928 (map) Containers Box 8 , Slide 66 Coke production—United States—1908-1928 (map) Containers Box 8 , Slide 67 Coke production—By-products—Maryland Steel Co. (table) Containers Box 8 , Slide 68 Coke production—United States—1880-1916 (table) Containers Box 8 , Slide 69 Coke production—capacity by ovens—1915-1924 (table) Containers Box 8 , Slide 70 Coke production—By-Product and Beehive—1917-1922 (table) Containers Box 8 , Slide 71 Coke production—By-Product and Beehive—comparison (table) Containers Box 8 , Slide 74 Coke production—By-Product coke plants, 1916 (map) Containers Box 8 , Slide 75 Coke production—By-Product coke plants, 1917 (map) Containers Box 8 , Slide 76 Coke production—By-Product coke plants, 1915-1925 (graph) Containers Box 8 , Slide 77 Koppers ovens—Estimated heat distribution (table) Containers Box 8 , Slide 78 Yields of products from 1000 ovens (table) Containers Box 8 , Slide 79 Ammonia production—By-product plants, 1893-1918 (graph) Containers Box 8 , Slide 80 Koppers plant—gas and by-products—flowsheet (graph) Containers Box 8 , Slide 82 Koppers labs—apparatus for Coal By-Prod. tests Containers Box 8 , Slide 83 Koppers labs—distillation furnace for coal by-prod. tests Containers Box 8 , Slide 84 Koppers labs—distillation furnace for coal by-prod. tests (diagram) Containers Box 8 , Slide 85 Yields of products from 1000 ovens (table)Koppers labs—By-product yields—Pgh and Pocahontas (table) Containers Box 8 , Slide 86 Koppers labs—Coal analysis—Pgh and Pocahontas (table) Containers Box 8 , Slide 87 Koppers labs—Coal analysis—West Virginia high volatile coal Containers Box 8 , Slide 88 Koppers labs—Coal analysis—Pocahontas (table) Containers Box 8 , Slide 89 Koppers labs—Coal analysis—Illinois (table) Containers Box 8 , Slide 90 By-product yields—Pittsburgh (table) Containers Box 8 , Slide 91 By-product yields and values (table) Containers Box 8 , Slide 92 By-product yields and values (table)) Containers Box 8 , Slide 93 B.T.U. in gas per lb. coal according to ultimate analyses (graph) Containers Box 8 , Slide 94 B.T.U. in gas per lb. coal according to B.T.U. per cubic ft. (graph) Containers Box 8 , Slide 95 Ammonia yield according to Nitrogen in coal (graph) Containers Box 8 , Slide 96 Ammonia yield according to Nitrogen in coal (graph) Containers Box 8 , Slide 97 Coal ultimate analyses—Triaxial diagram Containers Box 8 , Slide 98 Coal ultimate analyses—150 U.S. Coking coals Containers Box 8 , Slide 99 Coal ultimate analyses—150 U.S. Coking coals Containers Box 8 , Slide 100 Coal ultimate analyses—hydrogen and carbon ratios Containers Box 8 , Slide 101 Coal ultimate analyses—hydrogen and carbon ratios Containers Box 8 , Slide 102 Coal ultimate analyses—hydrogen and carbon ratios Containers Box 8 , Slide 103 Coal ultimate analyses—hydrogen and carbon ratios Containers Box 8 , Slide 104 Tar and soft pitch—volume and temperature (graph) Containers Box 8 , Slide 105 Tar viscosity and tar acids content (graph) Containers Box 8 , Slide 106 Tar viscosity and specific gravities (graph) Containers Box 8 , Slide 107 Tar viscosity and specific gravities (graph) Containers Box 8 , Slide 108 Tar viscosity and free-carbon content (graph) Containers Box 8 , Slide 109 Tar viscosity and free-carbon content (graph) Containers Box 8 , Slide 110 Tar viscosity and naphthalene content (graph) Containers Box 8 , Slide 111 Tar viscosity—sample 10859 and its pitch (graph) Containers Box 8 , Slide 112 Tar viscosity—sample 9525 and its pitch (graph) Containers Box 8 , Slide 113 Tar viscosity—sample 9525 and its pitch (graph) Containers Box 8 , Slide 114 Tar viscosity—sample 9523 and its pitch (graph) Containers Box 8 , Slide 115 Tar viscosity—sample 9522 and its pitch (graph) Containers Box 8 , Slide 116 Tar viscosity—sample 8742 and its pitch (graph) Containers Box 8 , Slide 117 Tar viscosity—friction effects) Containers Box 8 , Slide 118 Tar viscosity—sample 8742 Containers Box 8 , Slide 119 Tar viscosity—sample 8524 Containers Box 8 , Slide 120 Becker ovens—sectioned model Becker ovens—sectioned model Koppers ovens—old type Becker ovens—cross-over flue at top Becker ovens—new type—Koppers ovens—old type Becker ovens—new type—Koppers ovens—old type Becker ovens—heating walls Becker ovens—flues and regenerators Becker ovens—combination ovens Containers Box 9 , Slide 10 Becker ovens—Drawing No. 32000 Containers Box 9 , Slide 11 Becker ovens—diagram Containers Box 9 , Slide 12 Koppers oven—perspective flow diagram Containers Box 9 , Slide 13 Koppers ovens—heat progression chart Containers Box 9 , Slide 14 Koppers ovens—heat progression chart—waste heat return Containers Box 9 , Slide 15 Becker ovens—adjustable air port Containers Box 9 , Slide 16 Becker ovens—Chicago battery test ovens Containers Box 9 , Slide 17 Underfiring—producer gas flow diagram Containers Box 9 , Slide 18 Underfiring—producer gas flow diagram Containers Box 9 , Slide 19 Becker oven battery—Weirton, Wv. Containers Box 9 , Slide 20 Becker oven battery—Weirton, Wv. Containers Box 9 , Slide 21 Becker oven battery—Weirton, Wv. Containers Box 9 , Slide 22 Becker oven battery—Weirton, Wv. Containers Box 9 , Slide 23 Becker ovens—By-Products Coke Corp.—Brickwork Containers Box 9 , Slide 24 Becker ovens—By-Products Coke Corp.—Batteries Containers Box 9 , Slide 25 Becker ovens—By-Products Coke Corp.—Batteries Containers Box 9 , Slide 26 Becker ovens—By-Products Coke Corp.—Construction site Containers Box 9 , Slide 27 Becker ovens—Battle Creek, Michigan—Gas plant Containers Box 9 , Slide 28 Becker ovens—Battle Creek, Michigan—Gas plant Containers Box 9 , Slide 29 Becker ovens—Gas plant Containers Box 9 , Slide 30 Becker ovens—Battle Creek, Michigan—standpipes Containers Box 9 , Slide 31 Larry car for gas oven—Consumer's Power Co.—Zilwaukee, Mi. Containers Box 9 , Slide 32 Becker ovens—Coke (door removed) Containers Box 9 , Slide 33 Self-sealing oven doors Containers Box 9 , Slide 34 Becker oven battery—Winnepeg, Manitoba Containers Box 9 , Slide 35 Becker oven battery—Chicago, Il. (first built) Containers Box 9 , Slide 36 Becker oven battery—Weirton, Wv. Containers Box 9 , Slide 37 Becker oven battery—Battle Creek, Mi. Containers Box 9 , Slide 38 Becker oven battery—Zilwaukee, Mi. Containers Box 9 , Slide 39 Becker oven battery and plant—Zilwaukee, Mi. Containers Box 9 , Slide 40 Becker oven and coal handling—Fort Wayne, In. Containers Box 9 , Slide 41 Becker oven and coal handling—Fort Wayne, In. Containers Box 9 , Slide 42 Becker oven—coke side Containers Box 9 , Slide 43 Becker oven—coke side Containers Box 9 , Slide 44 Becker oven plant— Fort Wayne, In. Containers Box 9 , Slide 45 Becker oven plant— Fort Wayne, In. Containers Box 9 , Slide 46 Becker ovens—Pusher side—By-product Coke Corp Containers Box 9 , Slide 47 Becker ovens—Pusher side—By-product Coke Corp. Containers Box 9 , Slide 48 Becker ovens—Utica, Ny. Containers Box 9 , Slide 49 Becker ovens—Utica, Ny. Containers Box 9 , Slide 50 Koppers ovens—coke side—Chicago By-Product Coke Co. Containers Box 9 , Slide 51 Koppers ovens—coke side—Chicago By-Product Coke Co. Containers Box 9 , Slide 52 Becker oven battery—pusher side—Fort Wayne, In. Containers Box 9 , Slide 53 Becker oven battery—pusher side—Fort Wayne, In. Containers Box 9 , Slide 54 Becker ovens—Trumbull Cliffs Furnace Co.—Warren, Oh. Containers Box 9 , Slide 55 Becker oven battery—Columbia Steel Corp.—Provo, Ut. Containers Box 9 , Slide 56 Koppers ovens and by-product recovery (diagram) Containers Box 9 , Slide 57 Becker ovens and coal handling (diagram) Containers Box 9 , Slide 58 Becker ovens plant layout—Fort Wayne, In. (diagram) Containers Box 9 , Slide 59 Becker ovens plant layout—Fort Wayne, In. (diagram) Containers Box 9 , Slide 60 Becker ovens—Utica, Ny.—first battery Containers Box 9 , Slide 61 Becker ovens—Utica, Ny.—first battery Containers Box 9 , Slide 62 Becker oven plant— Fort Wayne, In. Containers Box 9 , Slide 63 Koppers oven—thru flues Containers Box 9 , Slide 64 Koppers oven—pressure in horizontal flue Containers Box 9 , Slide 65 Koppers oven—pressure in horizontal flue Containers Box 9 , Slide 66 Koppers oven—combination oven Containers Box 9 , Slide 67 Koppers oven—combination oven—flues Containers Box 9 , Slide 68 Koppers oven—combination oven—flues Containers Box 9 , Slide 69 Koppers oven—combination oven—flues Containers Box 9 , Slide 70 Koppers oven—combination oven—flues Containers Box 9 , Slide 71 Koppers oven—combination oven—flues Containers Box 9 , Slide 72 Koppers oven—combination oven—flues Containers Box 9 , Slide 73 Koppers oven—combination oven—flues Containers Box 9 , Slide 74 Koppers oven—combination oven—regenerator Containers Box 9 , Slide 75 Koppers oven—combination oven—flues and regenerator Containers Box 9 , Slide 76 Koppers oven—combination oven—flues and regenerator Containers Box 9 , Slide 77 Koppers oven—combination oven—flues and regenerator Containers Box 9 , Slide 78 Koppers oven—combination oven—flues and regenerator Containers Box 9 , Slide 79 Koppers oven—combination oven—flues and regenerator Containers Box 9 , Slide 80 Koppers oven—combination oven—cross-section Containers Box 9 , Slide 81 Koppers oven—gas oven—cross-section Containers Box 9 , Slide 82 Koppers oven—coke oven—cross-section Containers Box 9 , Slide 83 Koppers oven—flue opening—cross-section Containers Box 9 , Slide 84 Koppers oven—thru ovens and regenerator—long. section Containers Box 9 , Slide 85 Koppers oven—thru ovens with pusher and quencher car Containers Box 9 , Slide 86 Self-sealing door Containers Box 9 , Slide 87 Gas nozzle and nozzle rod Containers Box 9 , Slide 88 Koppers oven—flues—long. section Containers Box 9 , Slide 90 Koppers ovens—St. Paul—sectioned model Containers Box 9 , Slide 91 Koppers oven—Cross regenerative Containers Box 9 , Slide 92 Flow of gas and by-product in plant (diagram) Containers Box 9 , Slide 93 Becker ovens—sectioned model (diagram) Containers Box 9 , Slide 94 Becker ovens—longitudinal and cross section plan Containers Box 9 , Slide 96 Becker oven and regenerator—longitudinal section Containers Box 9 , Slide 98 Koppers oven—Cross regenerative oven—longitudinal section Containers Box 9 , Slide 100 Koppers oven—Cross regenerative oven—cross section Containers Box 9 , Slide 101 Semet-Solvay oven—battery perspective—gas flow and drafts Containers Box 9 , Slide 103 Semet-Solvay oven—section perspective—forced draft system Containers Box 9 , Slide 104 Otto-Hoffman coke oven—section Containers Box 9 , Slide 107 Koppers oven—space required for gas plant Containers Box 9 , Slide 108 Small oven battery (diagram) Containers Box 9 , Slide 109 Typical oven battery—section through battery Containers Box 9 , Slide 110 Typical oven battery—section through battery Containers Box 9 , Slide 111 Small gas oven—thru flues—longitudinal section Containers Box 9 , Slide 112 Section across ovens, flues and regenerators Containers Box 9 , Slide 113 Underfiring system—section and elevation Containers Box 9 , Slide 114 Sections showing oven brickwork Containers Box 9 , Slide 115 Sections—vertical retort Containers Box 9 , Slide 116 Small gas ovens—section through battery Containers Box 9 , Slide 117 Koppers gas ovens—by-product oven plant—drawing Containers Box 9 , Slide 118 Koppers gas ovens—typical plant—drawing Containers Box 9 , Slide 119 Koppers gas ovens—small gas oven plant—plan of layout Containers Box 9 , Slide 120 Cell grading and porosity comparison (table) Containers Box 10 , Slide 1 Apparatus for cutting coke sections Containers Box 10 , Slide 2 Coke cell size standards—Ramsburg and Sperr Containers Box 10 , Slide 3 Coke cell size standards—Ramsburg and Sperr Containers Box 10 , Slide 3 Coke cell size standards—Ramsburg and Sperr Containers Box 10 , Slide 4 Coke standard #1 – 100% Jamison, St. Louis , 1916 Containers Box 10 , Slide 5 Coke standard #2 –50% Gulch 50% Segundo—St. Louis, Mo. Containers Box 10 , Slide 6 Coke standard #3 –40% Ritenhour 60% Wash.—Sparrows Pt., Md. Containers Box 10 , Slide 7 Coke standard #4 –20% Elkins, 20% Thomas, 60% Davis (WV) Containers Box 10 , Slide 8 Coke section—100% Roda—Seaboard By-Product Coke Co. Containers Box 10 , Slide 9 Coke section—20% Elkins, 20% Thomas, 60% Davis (WV) Containers Box 10 , Slide 10 Coke section—20% Elkins, 20% Thomas, 60% Davis (WV) Containers Box 10 , Slide 11 Coke section—same mixture coked at different plants Containers Box 10 , Slide 12 Coke section—oven test—Wharton Estate, Chicago , 1923 Containers Box 10 , Slide 13 Coke section—oven test—Wharton Estate, Chicago , 1923 Containers Box 10 , Slide 14 Coke sections—Illinois; Jefferson County; Chicago Containers Box 10 , Slide 15 Coke section—100% Illinois—Chicago By-Product Co. Containers Box 10 , Slide 16 Coke section Containers Box 10 , Slide 17 Coke section—100% Utah Containers Box 10 , Slide 18 Coke section—Joliet, Il. , 1916 Containers Box 10 , Slide 20 Coke section Containers Box 10 , Slide 21 Coke section—River Furnace Co., Cleveland, Oh. , 1917 Containers Box 10 , Slide 22 Coke section— River Furnace Co., Cleveland, Oh. , 1917 Containers Box 10 , Slide 23 Coke section—Inland Steel Co. , 1917 Containers Box 10 , Slide 24 Coke section—Y. Sheet and Tube Co. , 1916 Containers Box 10 , Slide 25 Coke section—Toledo Furnace Co. , 1916 Containers Box 10 , Slide 26 Coke section—Cell standard #3 Containers Box 10 , Slide 27 Coke section—Washed Pratt and Blue Creek Coals , 1916 Containers Box 10 , Slide 28 Coke section—United Furnace Co. , 1917 Containers Box 10 , Slide 29 Coke section—Harlan Seam Coal, Ky. Containers Box 10 , Slide 30 Coke section—100% Illinois Containers Box 10 , Slide 31 Coke section—#4 Seam Coal—Sullivan County, In. Containers Box 10 , Slide 32 Coke section—Nova Scotia Coking Coals Containers Box 10 , Slide 33 Coke section—Coal-Indian Creek Valley—Fayette County, Pa. Containers Box 10 , Slide 34 Coke section—Carbon Company, Utah Containers Box 10 , Slide 35 Coke section—combination Containers Box 10 , Slide 36 Coke section—combination Containers Box 10 , Slide 37 Coke section—Pittsburgh Seam Coal—Monongalia County, WV Containers Box 10 , Slide 38 Coke section—Beehive—Trotter Mine Containers Box 10 , Slide 39 Coke section—combination Containers Box 10 , Slide 40 Coke section—100% Bertha Coal—Meridan, Ct. , 1923 Containers Box 10 , Slide 41 Coke section—80% Ocean, 20% Penn Smokeless—Course crush Containers Box 10 , Slide 42 Coke section—100% Melcroft—Fayette County, Pa. Containers Box 10 , Slide 44 Coke section—box test made in B.P oven—West Virginia Containers Box 10 , Slide 45 Coke section—Pocahontas Beehive—72 hour cells filled Containers Box 10 , Slide 46 Coke macrostructure—Franklin County, Il. Containers Box 10 , Slide 47 Coke macrostructure—Somerset County, Pa. Containers Box 10 , Slide 48 Coke macrostructure—60% Davis, 20 Elkins, 20% Thomas (WV) Containers Box 10 , Slide 49 Coke macrostructure—Westmoreland County, Pa. Containers Box 10 , Slide 50 Coke macrostructure— Franklin County, Il. Containers Box 10 , Slide 51 Coke macrostructure—Somerset County, Pa. Containers Box 10 , Slide 52 Coke macrostructure—Orient coke (magnified x4) Containers Box 10 , Slide 53 Coke macrostructure—Beehive—Las Animas County, Co. Containers Box 10 , Slide 54 Coke macrostructure—Unpulverized coke (magnified x4) Containers Box 10 , Slide 55 Coke macrostructure—beehive—100% Tobasco, Co. Containers Box 10 , Slide 56 Coke macrostructure—100% Orient, Il. Containers Box 10 , Slide 57 Coke macrostructure— Pocahontas beehive, WV Containers Box 10 , Slide 58 Coke macrostructure— Fayette County, Pa. Containers Box 10 , Slide 59 Coke macrostructure—60% Davis, 20 Elkins, 20% Thomas (WV) Containers Box 10 , Slide 60 Coke section (macroscopic)—wood of white cedar Containers Box 10 , Slide 61 Coke section—McIntyre low temperature process—Fairmont Containers Box 10 , Slide 62 Coke section—McIntyre low temperature process Containers Box 10 , Slide 63 Coal softening points—Texas lignite at 428°C Containers Box 10 , Slide 64 Coal softening points—Texas lignite at 125°C Containers Box 10 , Slide 65 Coal softening points—Castlegate Seam, Utah at 431°C Containers Box 10 , Slide 66 Coal softening points—Castlegate Seam, Utah at 270°C Containers Box 10 , Slide 67 Coal softening points—Pittsburgh Seam at 430°C Containers Box 10 , Slide 68 Coal softening points—Pittsburgh Seam at 410°C Containers Box 10 , Slide 69 Coal softening points—Pittsburgh Seam at 280°C Containers Box 10 , Slide 70 Coking test box—drawing. Containers Box 10 , Slide 71 Coking test box—Kincaid Illinois Coal , 1923 Containers Box 10 , Slide 72 Coking test box—Kincaid Illinois Coal , 1923 Containers Box 10 , Slide 73 Coking test box—Progress of coke formation Containers Box 10 , Slide 75 Coking test box—Coal Mt. Coal and Wharton Containers Box 10 , Slide 76 Coke section—Franklin County, Illinois—District 7 Containers Box 10 , Slide 78 Coke section—Franklin County, Illinois—District 6 Containers Box 10 , Slide 79 Coke section—Wall end of by-product—Sparrows Pt., Md. , 1916 Containers Box 10 , Slide 80 Coke section—Wall end of by-product—Sparrows Pt., Md. , 1916 Containers Box 10 , Slide 81 Coke section—Franklin County, Il.—District 6 Containers Box 10 , Slide 82 Coke section—Franklin County, Il.—District 6 Containers Box 10 , Slide 83 Coke section—Tobasco, Co. Containers Box 10 , Slide 85 Coke in oven—Sperr and Ramsburg—A.S.M.E., 1917 Containers Box 10 , Slide 86 Coke in oven—colored slide Containers Box 10 , Slide 88 Coke in oven—Rep. Iron and Steel Co. , 1918 Containers Box 10 , Slide 89 Coke section—McIntyre low temperature process Containers Box 10 , Slide 90 Coke section—Coal Mountain Splint Containers Box 10 , Slide 91 Coke section—Coal Mountain Splint Containers Box 10 , Slide 92 Coke section—Coal Mountain Splint Containers Box 10 , Slide 93 Coke section—Bright and Splint coals Containers Box 10 , Slide 94 Coke section—Jefferson County, Ill. coal coked in Becker oven Containers Box 10 , Slide 95 Coke section—Blackbriar Illinois coal Containers Box 10 , Slide 96 Coke section—Blackbriar Illinois coal coked in Becker oven Containers Box 10 , Slide 97 Coke section—Orient, Illinois—Chicago B.P. Coke Co. , 1922 Containers Box 10 , Slide 98 Coke section—Orient, Illinois—Chicago B.P. Coke Co. , 1922 Containers Box 10 , Slide 99 Coke section—Durham Coal—Seaboard B.P. Coke Co. Containers Box 10 , Slide 100 Coke section—Yorkshire Coal—Seaboard B.P. Coke Co. Containers Box 10 , Slide 101 Coke section—English coal coked in 5 oven battery in 11 hrs Containers Box 10 , Slide 102 Coke section—English coal coked in 5 oven battery in 11 hrs Containers Box 10 , Slide 103 Coke section—English coal coked in 5 oven battery in 11 hrs Containers Box 10 , Slide 104 Coke on wharf—Rep. Iron and Steel Co. , 1918 Containers Box 10 , Slide 105 Coke on wharf—30 hour coke—Rep. Iron and Steel Co. , 1918 Containers Box 10 , Slide 106 Coke on wharf—30 hour coke—Rep. Iron and Steel Co. , 1918 Containers Box 10 , Slide 107 Coke on car—Becker ovens—Blast furnace coke Containers Box 10 , Slide 108 Coke on car—Becker ovens—Blast furnace coke Containers Box 10 , Slide 109 Coke on wharf—Sparrows Point, Md.. , 1916 Containers Box 10 , Slide 110 Coke on wharf—Sparrows Point, Md. Containers Box 10 , Slide 111 Coke on wharf—W. Brownsville Coke, St. Louis , 1916 Containers Box 10 , Slide 112 Coke on wharf— W. Brownsville/Pocahontas , 1916 Containers Box 10 , Slide 113 Coke on wharf—90% H.V. and 10% Pocahontas> Containers Box 10 , Slide 114 Coke on wharf—incomplete elimination of sponge Containers Box 10 , Slide 115 Coke on wharf— incomplete elimination of sponge Containers Box 10 , Slide 116 Coke on wharf—50% Ritenhour, 50% Junior Containers Box 10 , Slide 117 Coke on wharf—50% Ritenhour, 50% Junior Containers Box 10 , Slide 118 Coke on wharf—50% Gulch, 50% Segundo Containers Box 10 , Slide 119 Coke on wharf—Tobasco, Co. Containers Box 10 , Slide 120 Vienna Gas Oven Plant—Leopoldau Containers Box 11 , Slide 1 Vienna Gas Oven Plant—Coke side Containers Box 11 , Slide 2 Vienna Gas Oven Plant—Quencher Containers Box 11 , Slide 3 Vienna Gas Oven Plant—Ascension pipes Containers Box 11 , Slide 4 Vienna Gas Oven Plant—Test results Containers Box 11 , Slide 5 Vienna Gas Oven Plant—Test results Containers Box 11 , Slide 6 Vienna Gas Oven Plant—Tests, heat value, gas Containers Box 11 , Slide 7 Vienna Gas Oven Plant—Tests, heat value, gas Containers Box 11 , Slide 8 Vienna Gas Oven Plant—Section producer house Containers Box 11 , Slide 9 Vienna Gas Oven Plant—Kerpely producers Containers Box 11 , Slide 10 Vienna Gas Oven Plant—Producer charging floor Containers Box 11 , Slide 12 Vienna Gas Oven Plant—Producer gas washers Containers Box 11 , Slide 13 Koppers Coke Oven Plant Containers Box 11 , Slide 14 Vienna Gas Oven Plant—general view Containers Box 11 , Slide 15 Vienna Gas Oven Plant—oven construction Containers Box 11 , Slide 16 Budapest Producer plant—cleaning house Containers Box 11 , Slide 17 Budapest Gas oven plant Containers Box 11 , Slide 18 Berlin Producer plant—interior Containers Box 11 , Slide 20 Berlin Producer plant—charging floor Containers Box 11 , Slide 21 Koenigsburg gas oven plant Containers Box 11 , Slide 22 Heinitz, Germany, Producer plant Containers Box 11 , Slide 23 Innsbruck, Austria small gas oven plant Containers Box 11 , Slide 24 Birmingham, England gas oven plant Containers Box 11 , Slide 25 Kaiser Friedrich, Germany gas plant Containers Box 11 , Slide 26 Elbeuf, Germany small gas oven plant Containers Box 11 , Slide 27 Oven plant—top of battery Containers Box 11 , Slide 29 Coal Products Plant—General layout—Joliet, Illinois Containers Box 11 , Slide 31 Coal Products Plant—Oven battery and layout Containers Box 11 , Slide 32 Coal Products Plant—Plant and coal storage Containers Box 11 , Slide 34 Coal Products Plant—Coal charging larry Containers Box 11 , Slide 35 Coal Products Plant—Gas holder Containers Box 11 , Slide 38 Coal Products Plant—General plant view Containers Box 11 , Slide 39 Laclede Gas Oven Plant (St. Louis)—plan Containers Box 11 , Slide 40 Laclede Gas Oven Plant (St. Louis)—exhausters and washers Containers Box 11 , Slide 41 Illinois Steel Co. (Joliet)—general plant view Containers Box 11 , Slide 42 Minnesota By-Product Coke Company—Top battery, standpipe Containers Box 11 , Slide 43 Maryland Steel Company—Battery, coke side Containers Box 11 , Slide 44 Maryland Steel Company—By-product building Containers Box 11 , Slide 45 Maryland Steel Company—General view Containers Box 11 , Slide 46 Maryland Steel Company—15-ton ovens Containers Box 11 , Slide 47 Minnesota By-Product Coke Company—Triangular flues Containers Box 11 , Slide 48 Bethlehem Steel Company—Quencher station Containers Box 11 , Slide 51 Bethlehem Steel Company—coke side Containers Box 11 , Slide 53 Brier Hill Steel Co. (Youngstown, Oh.)—General plant view Containers Box 11 , Slide 54 Gulf States Steel Co. (Gadsen, Al.)—Battery construction, 1917 Containers Box 11 , Slide 55 American Steel and Wire Co. (Cleveland, Oh.)—Battery construction , 1918 Containers Box 11 , Slide 56 U.S. Steel Corp. (Gary, In.)—General plant view Containers Box 11 , Slide 57 U.S. Steel Corp. (Gary, In.)—General plant view Containers Box 11 , Slide 58 Inland Steel Corp. (Indiana Harbor, In.)—Battery, pusher side Containers Box 11 , Slide 59 Colorado Fuel and Iron Co. (Pueblo, Co.)—Plant construction , 1917 Containers Box 11 , Slide 60 Minnesota Steel Co. (Duluth, Mn.)—General plant view Containers Box 11 , Slide 61 Tennessee Coal Iron and Railroad Co. (Fairfield, Al.)—General plant view Containers Box 11 , Slide 62 National Tube Co. (Lorraine, Oh.)—Plant construction Containers Box 11 , Slide 63 Republic Iron and Steel Co. (Youngstown, Oh.)—General plant view Containers Box 11 , Slides 64-65 Unidentified Coke plant—Battery, pusher side Containers Box 11 , Slide 66 MIndiana Coke and Gas Co. (Terre Haute, In.)—Battery, pusher side, Cross-Regenerative ovens Containers Box 11 , Slide 67 Unidentified Coke plant—General view Containers Box 11 , Slide 68 Youngstown Sheet and Tube Co. (Youngstown, Oh.)—Battery, pusher side Containers Box 11 , Slide 69 Dominion Iron and Steel Co. (Sydney, Nova Scotia, Canada)—By-product plant construction Containers Box 11 , Slide 70 Rainey-Wood Coke Co. (Swedeland, Pa.)—General plant view Containers Box 11 , Slide 71 Briar Hill Steel Co. (Youngstown Oh.)—General plant view Containers Box 11 , Slide 72 Illinois Steel Co. (Joliet, Il.)—Ground plan of plant Containers Box 11 , Slide 73 Illinois Steel Co. (Joliet, Il.)—Ground plan of plant, undated Containers Box 11 , Slide 74 Chicago By-Product Coke Corp. (Chicago, Il.)—General Becker oven plant view Containers Box 11 , Slide 75 Chicago By-Product Coke Corp. (Chicago, Il.)—General Becker oven plant view Containers Box 11 , Slide 76 Seaboard By-Product Coke Co. (Jersey City, Nj.)—View from airplane Containers Box 11 , Slides 77-84 Seaboard By-Product Coke Co.—By-Product building interior Containers Box 11 , Slide 87 Seaboard By-Product Coke Co.—Coal bridge and stockpile Containers Box 11 , Slide 89 Seaboard By-Product Coke Co.—Domestic coke trucks Containers Box 11 , Slide 90 Seaboard By-Product Coke Co.—Barge, Loading Docks, Coke Screening Station Containers Box 11 , Slide 91 Seaboard By-Product Coke Co.—Gowanus Yards, Storage, Entrance and Scales Containers Box 11 , Slide 92 Seaboard By-Product Coke Co.—Coke car loading booms Containers Box 11 , Slide 93 Seaboard By-Product Coke Co.—Coke screens Containers Box 11 , Slide 94 Seaboard By-Product Coke Co.—Conveyor belts Containers Box 11 , Slide 95 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Barge, loading dock and coke boom Containers Box 11 , Slide 96 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Domestic coke screening station and trucks Containers Box 11 , Slide 98 Seaboard By-Product Coke Co.—Gowanus Yards screening station, top of pocket Containers Box 11 , Slide 99 Seaboard By-Product Coke Co.—Koppers Vertical Gas Ovens Containers Box 11 , Slide 100 Seaboard By-Product Coke Co.—Koppers Vertical Gas Ovens, coke dischargers Containers Box 11 , Slide 101 Seaboard By-Product Coke Co.—Koppers Vertical Gas Ovens, gas offtakes and charging Containers Box 11 , Slide 102 Unidentified Coke plant—Coke screening station Containers Box 11 , Slide 105 Track hopper Containers Box 11 , Slide 106 Pushing coke, coke guide, truck Containers Box 11 , Slide 107 Unidentified coke plant—General plant view Containers Box 11 , Slide 108 Pushing coke Containers Box 11 , Slide 109 Chicago By-Product Coke Corp. (Chicago, Il.)—Battery, general view of ovens along pusher side Containers Box 11 , Slide 110 Chicago By-Product Coke Corp. (Chicago, Il.)—Battery, general view of ovens along pusher side Containers Box 11 , Slide 111 Chicago By-Product Coke Corp. (Chicago, Il.)—Battery "A", Pusher side, Becker Ovens Containers Box 11 , Slides 113-115 Koppers Plant—Coke and fuel handling flow sheet diagram Containers Box 11 , Slide 117 Providence Gas Co. (Providence, Ri.)—Battery top and standpipes Containers Box 11 , Slide 118 Providence Gas Co. (Providence, Ri.)—Battery, coke side with quench car Containers Box 11 , Slide 119 Coal Products plant—General plant view Containers Box 11 , Slide 120 Chicago By-Product Coke Co. (Chicago, Il.)—Map of Chicago, plant location Containers Box 12 , Slide 1 Chicago By-Product Coke Co. (Chicago, Il.)—Bridge over fork of Chicago River from plant yard, looking east Containers Box 12 , Slide 2 Chicago By-Product Coke Co. (Chicago, Il.)—Steam shovel with spoil bank in the rear, plant construction Containers Box 12 , Slide 3 Chicago By-Product Coke Co. (Chicago, Il.)—Service water intake tunnel, plant construction Containers Box 12 , Slide 4 Chicago By-Product Coke Co. (Chicago, Il.)—General view of plant yard, looking south Containers Box 12 , Slide 5 Chicago By-Product Coke Co. (Chicago, Il.)—Diagram of plant layout Containers Box 12 , Slide 6 Chicago By-Product Coke Co. (Chicago, Il.)—Diagram of plant layout with railroad connections Containers Box 12 , Slide 7 Chicago By-Product Coke Co. (Chicago, Il.)—View of plant, looking west Containers Box 12 , Slide 8 Chicago By-Product Coke Co. (Chicago, Il.)—Architect's rendering of finished plant, looking north Containers Box 12 , Slide 9 Chicago By-Product Coke Co. (Chicago, Il.)—Diagram of coal handling system Containers Box 12 , Slide 10 Chicago By-Product Coke Co. (Chicago, Il.)—Coal handling system, looking west Containers Box 12 , Slide 11 Chicago By-Product Coke Co. (Chicago, Il.)—Track hopper Containers Box 12 , Slide 12 Chicago By-Product Coke Co. (Chicago, Il.)—Coal handling, mixer building interior, Bradford breaker Containers Box 12 , Slides 13-16 Chicago By-Product Coke Co. (Chicago, Il.)—General view of plant yard, looking south Containers Box 12 , Slides 18-19 Chicago By-Product Coke Co. (Chicago, Il.)—Rotary disc and coke grizzlies Containers Box 12 , Slide 20 Chicago By-Product Coke Co. (Chicago, Il.)—Hammer mill Containers Box 12 , Slide 21 Chicago By-Product Coke Co. (Chicago, Il.)—Conveyor belt and drive with drive tightener Containers Box 12 , Slide 22 Chicago By-Product Coke Co. (Chicago, Il.)—Coke storage and loading crane Containers Box 12 , Slide 23 Chicago By-Product Coke Co. (Chicago, Il.)—Battery fuel lines, valves, and air-boxes Containers Box 12 , Slide 27 Chicago By-Product Coke Co. (Chicago, Il.)—Battery, reversing machinery for underfiring of ovens, Containers Box 12 , Slides 29-30 Chicago By-Product Coke Co. (Chicago, Il.)—Primary cooler, undated Containers Box 12 , Slide 31 Chicago By-Product Coke Co. (Chicago, Il.)—Exhauster, by-product building Containers Box 12 , Slide 32 Chicago By-Product Coke Co. (Chicago, Il.)—Thomas gas meter, calorimeter set-up Containers Box 12 , Slide 33 Chicago By-Product Coke Co. (Chicago, Il.)—By-product room Containers Box 12 , Slide 34 Chicago By-Product Coke Co. (Chicago, Il.)—By-product building exterior Containers Box 12 , Slide 35 Chicago By-Product Coke Co. (Chicago, Il.)—Ammonia salt dryer and loading pit Containers Box 12 , Slide 37 Chicago By-Product Coke Co. (Chicago, Il.)—By-Product and water and gas building exteriors, looking northwest from quencher tower Containers Box 12 , Slide 38 Chicago By-Product Coke Co. (Chicago, Il.)—Diagram of water and gas building with railroad and coke storage layouts Containers Box 12 , Slide 39 Chicago By-Product Coke Co. (Chicago, Il.)—Water and gas building, charging larry in loading runway Containers Box 12 , Slide 43 Chicago By-Product Coke Co. (Chicago, Il.)—Generator House, view of operating floor Containers Box 12 , Slide 44 Chicago By-Product Coke Co. (Chicago, Il.)—Generator House, water gas clinkering floor Containers Box 12 , Slide 45 Chicago By-Product Coke Co. (Chicago, Il.)—Water and gas, turbine-driven blowers Containers Box 12 , Slide 46 Chicago By-Product Coke Co. (Chicago, Il.)—Water and gas, relief holder Containers Box 12 , Slide 47 Chicago By-Product Coke Co. (Chicago, Il.)—Water and gas building, exhauster room Containers Box 12 , Slide 48 Chicago By-Product Coke Co. (Chicago, Il.)—Oxide purifiers, view looking north east Containers Box 12 , Slide 49 Chicago By-Product Coke Co. (Chicago, Il.)—Gas boosters Containers Box 12 , Slide 51 Chicago By-Product Coke Co. (Chicago, Il.)—Diagram of boiler house Containers Box 12 , Slide 52 Chicago By-Product Coke Co. (Chicago, Il.)—Exterior view of boiler house Containers Box 12 , Slide 53 Chicago By-Product Coke Co. (Chicago, Il.)—Stokers in boiler house (Harrington type), Containers Box 12 , Slide 54 Chicago By-Product Coke Co. (Chicago, Il.)—Diagram of pump-house layout (power house) Containers Box 12 , Slide 55 Chicago By-Product Coke Co. (Chicago, Il.)—Interior view of pump house Containers Box 12 , Slide 56 Chicago By-Product Coke Co. (Chicago, Il.)—Power house, switchboard and convertor Containers Box 12 , Slide 57 Chicago By-Product Coke Co. (Chicago, Il.)—Battery construction Containers Box 12 , Slide 58 Chicago By-Product Coke Co. (Chicago, Il.)—Battery and coke wharf construction Containers Box 12 , Slide 59 Chicago By-Product Coke Co. (Chicago, Il.)—General view of plant under construction, looking north west Containers Box 12 , Slide 60 Chicago By-Product Coke Co. (Chicago, Il.)—Coke screening, metallurgical station Containers Box 12 , Slide 61 Chicago By-Product Coke Co. (Chicago, Il.)—Coke-side of battery, coke wharf Containers Box 12 , Slide 63 Chicago By-Product Coke Co. (Chicago, Il.)—Water and gas building, operating floor Containers Box 12 , Slide 64 Chicago By-Product Coke Co. (Chicago, Il.)—Water and gas building operating floor, showing superheaters and waste heat boilers in the rear Containers Box 12 , Slide 65 Chicago By-Product Coke Co. (Chicago, Il.)—Water and gas building operating floor, facing superheater Containers Box 12 , Slide 66 Chicago By-Product Coke Co. (Chicago, Il.)—Mixer belts with High and low volatile coal storage bins Containers Box 12 , Slide 67 Chicago By-Product Coke Co. (Chicago, Il.)—Hammer mills Containers Box 12 , Slides 69-70 Chicago By-Product Coke Co. (Chicago, Il.)—Coal conveyor belt and drive, showing tightening pulleys Containers Box 12 , Slide 71 Chicago By-Product Coke Co. (Chicago, Il.)—Track hopper, coal unloading from railroad cars Containers Box 12 , Slide 72 Chicago By-Product Coke Co. (Chicago, Il.)—Water and gas plant, coke charging larry Containers Box 12 , Slide 73 Chicago By-Product Coke Co. (Chicago, Il.)—Coke storage pile Containers Box 12 , Slide 76 Chicago By-Product Coke Co. (Chicago, Il.)—Coke storage pile Containers Box 12 , Slide 77 Chicago By-Product Coke Co. (Chicago, Il.)—Producer gas plant, view looking northeast Containers Box 12 , Slide 78 Chicago By-Product Coke Co. (Chicago, Il.)—Producer gas plant, view looking northeast Containers Box 12 , Slide 79 Chicago By-Product Coke Co. (Chicago, Il.)—Producer gas plant, view looking southwest Containers Box 12 , Slide 80 Chicago By-Product Coke Co. (Chicago, Il.)—Producer gas plant, operating floor Containers Box 12 , Slide 81 Chicago By-Product Coke Co. (Chicago, Il.)—Producer gas plant, operating floor view of gage boards Containers Box 12 , Slide 83 Chicago By-Product Coke Co. (Chicago, Il.)—Producer gas plant, ash discharge chutes and ash-car truck Containers Box 12 , Slide 86 Chicago By-Product Coke Co. (Chicago, Il.)—Producer gas plant, ash discharge chute Containers Box 12 , Slide 87 Chicago By-Product Coke Co. (Chicago, Il.)—Exterior views of producer gas plant and adjacent buildings from battery Containers Box 12 , Slide 88 Chicago By-Product Coke Co. (Chicago, Il.)—Producer gas plant, underfiring, piping and valves Containers Box 12 , Slide 89 Chicago By-Product Coke Co. (Chicago, Il.)—Producer gas plant, fuel and air supply and gas underfiring Containers Box 12 , Slide 90 Chicago By-Product Coke Co. (Chicago, Il.)—Producer gas plant, fuel and air supply and gas underfiring Containers Box 12 , Slide 91 Chicago By-Product Coke Co. (Chicago, Il.)—Metallurgical coke station, rotary disc grizzlies Containers Box 12 , Slide 92 Chicago By-Product Coke Co. (Chicago, Il.)—Metallurgical coke station, rotary disc grizzlies Containers Box 12 , Slides 93-94 Chicago By-Product Coke Co. (Chicago, Il.)—Thomas gas meter and calorimeter station Containers Box 12 , Slide 95 Chicago By-Product Coke Co. (Chicago, Il.)—Final coolers and pump-house Containers Box 12 , Slide 96 Chicago By-Product Coke Co. (Chicago, Il.)—Fuel gas holder and quenching station Containers Box 12 , Slide 97 Chicago By-Product Coke Co. (Chicago, Il.)—Fuel gas holder and quenching station Containers Box 12 , Slide 99 Chicago By-Product Coke Co. (Chicago, Il.)—Diagram of By-Product building Containers Box 12 , Slide 100 Chicago By-Product Coke Co. (Chicago, Il.)—By-product room Containers Box 12 , Slide 101 Chicago By-Product Coke Co. (Chicago, Il.)—General exterior view from northwest of power house, by-product building, boiler house, and water gas building Containers Box 12 , Slide 102 Chicago By-Product Coke Co. (Chicago, Il.)—General exterior view of by-product and water gas buildings Containers Box 12 , Slide 103 Chicago By-Product Coke Co. (Chicago, Il.)—Pusher machine and collecting mains Containers Box 12 , Slide 104 Chicago By-Product Coke Co. (Chicago, Il.)—By-product pusher machine Containers Box 12 , Slide 105 Chicago By-Product Coke Co. (Chicago, Il.)—General view of top of batteries showing charging holes, larry trucks, coal bin, and standpipes Containers Box 12 , Slide 108 Chicago By-Product Coke Co. (Chicago, Il.)—General view of top of batteries Containers Box 12 , Slide 109 Chicago By-Product Coke Co. (Chicago, Il.)—Coal handling system Containers Box 12 , Slide 110 Chicago By-Product Coke Co. (Chicago, Il.)—Construction of pumphouse for service water Containers Box 12 , Slide 111 Chicago By-Product Coke Co. (Chicago, Il.)—Construction of water gas plant from the north eas Containers Box 12 , Slide 112 Chicago By-Product Coke Co. (Chicago, Il.)—Construction of coal and coke handling buildings and battery Containers Box 12 , Slide 113 Chicago By-Product Coke Co. (Chicago, Il.)—General view of the plant looking northwest from Peoples Gas Light and Coke Co. Containers Box 12 , Slide 114 Chicago By-Product Coke Co. (Chicago, Il.)—General view of construction from northwest Containers Box 12 , Slide 115 Chicago By-Product Coke Co. (Chicago, Il.)—Construction of purifiers and water and gas building Containers Box 12 , Slide 116 Chicago By-Product Coke Co. (Chicago, Il.)—Construction of boiler house and water and gas building Containers Box 12 , Slide 117 Chicago By-Product Coke Co. (Chicago, Il.)—Construction of battery Containers Box 12 , Slide 118 Chicago By-Product Coke Co. (Chicago, Il.)—Interior view of by-product room Containers Box 12 , Slide 119 Chicago By-Product Coke Co. (Chicago, Il.)—General view of placing pilings for batteries and purifiers Containers Box 12 , Slide 120 Langsdale Plant (Indianapolis, In.)—Purifier installation (note: see T.W. Stone's letter of April 2nd) Containers Box 13 , Slide 1 Diagram of purifier reversing valves, (note: see T.W. Stone's letter) Containers Box 13 , Slides 2-3 Unidentified plant (Chicago, Il.)—Steel purifier Containers Box 13 , Slide 4 Unidentified plant—Cast iron housed purifier installation, (note: see H of T.W. Stone's letter of April 2) , 1925 Containers Box 13 , Slide 5 Unidentified plant—Cast iron housed purifier installation, (note: see H of T.W. Stone's letter of April 2) , 1925 Containers Box 13 , Slide 6 Diagram of purifier reversing valves Containers Box 13 , Slide 8 Portrero Gas Plant (San Francisco, Ca.)—30,000,000 liquid purification installation Containers Box 13 , Slide 9 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Diagram of liquid purification plant plan Containers Box 13 , Slide 10 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Completed liquid purification plant Containers Box 13 , Slide 11 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Plan and elevation of liquid purification plant Containers Box 13 , Slide 12 Diagram of the effect of change in solution on H2S content of purified gas Containers Box 13 , Slide 13 Union Natural Gas Co. (Chatham, On., Canada)—Liquid purification plant Containers Box 13 , Slide 14 Diagram of Seaboard process of liquid purification Containers Box 13 , Slide 15 Union Natural Gas Co. (Chatham, On., Canada)—Liquid purification plant Containers Box 13 , Slide 16 Utica Gas and Electric Co. (Utica, Ny.)—Liquid purification plant Containers Box 13 , Slide 17 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Liquid purification plant Containers Box 13 , Slide 18 Unidentified plant—Liquid purification process and cable boxes Containers Box 13 , Slide 19 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Liquid purification plant and cable boxe Containers Box 13 , Slide 20 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Liquid purification plant, blowers for actifiers Containers Box 13 , Slide 21 CBattle Creek Gas Co. (Battle Creek, Mi.)—Liquid purification plant Containers Box 13 , Slide 22 Koppers Co. (Allentown/Bethlehem, Pa.)—Liquid purification plant using the seaboard process (10 million early capacity) Containers Box 13 , Slide 23 Pacific Gas and Electric Co. (Fresno, Ca.)—Liquid purification plant Containers Box 13 , Slides 24-25 Consolidated Gas and Electric Light and Power Co. (Baltimore, Md.)—Liquid purification plant Containers Box 13 , Slide 26 Consolidated Gas and Electric Light and Power Co. (Baltimore, Md.)—Plan of plant, general arrangement Containers Box 13 , Slide 27 Consolidated Gas and Electric Light and Power Co. (Baltimore, Md.)—Diagram of soda solution piping Containers Box 13 , Slide 28 Rochester Gas and Electric Corp. (Rochester, Ny.)—Liquid purification plant Containers Box 13 , Slide 29 Unidentified plant—Diagram of liquid purification plant Containers Box 13 , Slide 30 Unidentified plant—Graph of Operation data from a two month period Containers Box 13 , Slide 31 Unidentified plant—Liquid purification plant Containers Box 13 , Slide 32 Unidentified plant—Plant elevation plan for liquid purification by the Seaboard process Containers Box 13 , Slide 33 Diagram of liquid purification by the Seaboard process Containers Box 13 , Slide 34 Unidentified plant—Chart of weekly data of gas purification by the Seaboard process Containers Box 13 , Slide 35 Diagram of various arrangements of absorber and actifier Containers Box 13 , Slide 36 Diagram of two alternate designs of the Seaboard liquid purification process Containers Box 13 , Slide 37 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Exterior views of the east and north side of thionizer liquid purification plant Containers Box 13 , Slide 38 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Interior view of thionizer and pump room Containers Box 13 , Slide 39 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Interior view of centrifuges in thionizer liquid purification plant Containers Box 13 , Slide 40 Diagram of Seaboard liquid purification Containers Box 13 , Slide 41 Public Service Electric Light and Gas Co. (Camden, Nj.)—Exterior view of liquid purification plant Containers Box 13 , Slide 42 Public Service Electric Light and Gas Co. (Camden, Nj.)—Kelly filter in liquid purification plant Containers Box 13 , Slide 43 Public Service Electric Light and Gas Co. (Camden, Nj.)—Foam, liquid purification Containers Box 13 , Slide 44 Public Service Electric Light and Gas Co. (Camden, Nj.)—Exterior view of liquid purification plant Containers Box 13 , Slide 45 Public Service Electric Light and Gas Co. (Camden, Nj.)—Interior view of thionizer room Containers Box 13 , Slide 46 Laclede Gas Light Company (St. Louis, Mo.)—Interior of pump and blower building showing pumps and sludge pump pit Containers Box 13 , Slide 47 Laclede Gas Light Company (St. Louis, Mo.)—Exterior view of Laclede liquid purification plant Containers Box 13 , Slide 48 Laclede Gas Light Company (St. Louis, Mo.)—View of filter press inside liquid purification plant Containers Box 13 , Slide 49 Laclede Gas Light Company (St. Louis, Mo.)—Interior view of thionizer building Containers Box 13 , Slide 50 Laclede Gas Light Company (St. Louis, Mo.)—Exterior view of absorber, Laclede liquid purification plant Containers Box 13 , Slide 51 Rochester Gas and Electric Company (Rochester, Ny.)—Tabulation of purification plant productivity Containers Box 13 , Slide 52 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Operating data Containers Box 13 , Slide 53 Indiana Coke and Gas Company (Indianapolis, In.)—Tabulation of purification plant productivity Containers Box 13 , Slide 54 Diagram of sulfur recovery in liquid purification Containers Box 13 , Slide 55 Graph of savings with use of sulfur free gas in steel manufacturing, undated Containers Box 13 , Slide 56 Graph of relation of Sulphur in open hearth slag to sulfur in fuel Containers Box 13 , Slide 57 Unidentified plant—Exterior view of benzol plant Containers Box 13 , Slide 61 Diagram of producer gas heating reversal Containers Box 13 , Slide 62 Rainey-Wood Coke Co. (Swedeland, Pa.)—Interior view of benzol plant Containers Box 13 , Slide 63 Allegheny By-Product Coke Co. (Glassport, Pa.)—Exterior view of benzol plant Containers Box 13 , Slide 64 Unidentified plant—Interior view of still room within benzol plant Containers Box 13 , Slide 65 Unidentified plant—Interior view of benzol stills Containers Box 13 , Slide 66 Diagram of benzol plant flow shee Containers Box 13 , Slide 67 Diagram of benzol plant layout (Canton, Oh.) Containers Box 13 , Slide 68 Unidentified plant—Interior view of benzol plant Containers Box 13 , Slide 69 Minnesota By-Product Coke Co. (St. Paul, Mn.)—Wash oil and pure stills Containers Box 13 , Slide 70 Unidentified plant—Interior view of benzol plant Containers Box 13 , Slides 71-72 Unidentified plant (Rheinpreussen Colliery, Germany)—Interior view of benzol stills Containers Box 13 , Slide 73 Unidentified plant—Interior view of benzol plant Containers Box 13 , Slide 74 Unidentified plant (Toledo, Oh.)—Interior view of benzol stills Containers Box 13 , Slide 75 Weirton Steel Company (Weirton, Wv.)—Interior view of benzol still Containers Box 13 , Slide 76 Weirton Steel Company (Weirton, Wv.)—Interior view of light oil room Containers Box 13 , Slide 77 Unidentified light oil plant (Rochester, Ny.)—Interior view of superheater and exchanger Containers Box 13 , Slide 78 [untitled] Containers Box 13 , Slide 80 Unidentified benzol plant (Detroit, Mi.)—Exterior view , 1918 Containers Box 13 , Slide 82 Gulf States Steel Co. (Gadsen, Al.)—Exterior view of light oil recovery plant Containers Box 13 , Slide 83 Unidentified light oil plant (Newark, Nj.)—Exterior view Containers Box 13 , Slide 84 Unidentified light oil plant (Trenton, Nj.)—Exterior view Containers Box 13 , Slide 85 Unidentified light oil plant—Exterior view with scrubbers Containers Box 13 , Slide 86 Unidentified light oil plant—Exterior view Containers Box 13 , Slide 87 Unidentified light oil plant (Patterson, Nj.)—Exterior view of office and light oil building , 1917 Containers Box 13 , Slide 89 Unidentified light oil plant—Exterior view of light oil plant, Containers Box 13 , Slide 90 Unidentified benzol plant—Exterior view of oil storage building Containers Box 13 , Slide 91 Analysis of 26-70 Natural Gasoline Containers Box 13 , Slide 92 Chicago By-Product Coke Company (Chicago, Il.)—Exterior view of primary coolers Containers Box 13 , Slide 93 Diagram of Seaboard liquid purification Containers Box 13 , Slide 95 Weirton Steel Company (Weirton, Wv.)—Exterior view of primary coolers and hot tar well Containers Box 13 , Slide 96 Chicago By-Product Coke Company (Chicago, Il.)—Ammonia Saturator Containers Box 13 , Slide 97 Chicago By-Product Coke Company (Chicago, Il.)—Ammonia Saturator Containers Box 13 , Slide 98 Chart of Barnett distillation of bottoms Containers Box 13 , Slide 99 Chicago By-Product Coke Company (Chicago, Il.)—Ammonia saturators and centrifugals Containers Box 13 , Slide 100 Chicago By-Product Coke Company (Chicago, Il.)—Ammonia saturators and centrifugals Containers Box 13 , Slide 100 Chicago By-Product Coke Company (Chicago, Il.)—Ammonia salt dryer and storage room Containers Box 13 , Slide 101 Chicago By-Product Coke Company (Chicago, Il.)—Ammonia salt dryer with bulk and bag storage Containers Box 13 , Slides 102-103 Unidentified plant—Ammonia salt storage room Containers Box 13 , Slide 104 H. Koppers Company (Joliet, Il.)—Interior of coal products plant, sulfate room Containers Box 13 , Slide 105 Unidentified plant-Ammonia salt storage room Containers Box 13 , Slide 106 H. Koppers Company (Joliet, Il.)—Interior of coal products plant, gas exhausters Containers Box 13 , Slide 107 H. Koppers Company (Joliet, Il.)—Interior of coal products plant, gas exhausters Containers Box 13 , Slide 108 Northern Indiana Gas and Electric Co (Fort Wayne, In.)—Interior view of blowers Containers Box 13 , Slide 109 Northern Indiana Gas and Electric Co (Fort Wayne, In.)—Interior view of blowers Containers Box 13 , Slide 110 Unidentified plant (Rheinpreussen Colliery, Germany)—Interior of by-product plant Containers Box 13 , Slides 111-113 Unidentified plant (Sparrows Point, Md.)—Interior view pump room Containers Box 13 , Slide 114 Weirton Steel Company (Weirton, Wv.)—Interior view of ammonia stills Containers Box 13 , Slide 116 Weirton Steel Company (Weirton, Wv.)—Interior view of by-product room Containers Box 13 , Slide 117 Chicago By-Product Coke Company (Chicago, Il.)—Interior view of by-product plant Containers Box 13 , Slides 118-119 Seaboard By-Product Coke Company (Jersey City, Nj.)—Interior view of by-product plant Containers Box 13 , Slide 120 American Tar Products Co.—Exterior view of pitch pans, Condenser House, Stills, and Tanks Containers Box 14 , Slide 1 American Tar Products Co.—Exterior view of still and condenser house Containers Box 14 , Slide 2 American Tar Products Co.—Exterior view from roof of pitch barreling shed, showing service building, laboratory, tanks, boiler house, water stand pipe, stills, and condenser house Containers Box 14 , Slide 3 American Tar Products Co.—Exterior view of tank car loading and unloading, tar pump house, stills, tacks, and water stand pipe Containers Box 14 , Slide 4 Camden Coke Co. (Camden, Nj.)—Exterior view of producer plant Containers Box 14 , Slides 9-10 Koppers—Cross-section drawing of producer gas plant Containers Box 14 , Slide 12 Chicago—Hand Charging of water-gas machines Containers Box 14 , Slide 13 Water-Gas Set –Cross section drawing of lid construction Containers Box 14 , Slide 14 Mond Gas plant—By-product recovery diagram Containers Box 14 , Slide 15 Sectional drawing of automatic charger for water-gas machine Containers Box 14 , Slide 16 Water-Gas Set—Diagram showing back run and waste heat boiler Containers Box 14 , Slide 17 Chicago By-Product Coke Co. (Chicago, Il.)—Interior view of operating floor, water-gas plant Containers Box 14 , Slide 18 People's Gas Light and Coke Co. (Chicago, Il.)—Interior view of western waste heat boilers, North Station Containers Box 14 , Slide 19 People's Gas Light and Coke Co. (Chicago, Il.)—Interior view of operating controls, West Station Containers Box 14 , Slide 20 People's Gas Light and Coke Co. (Chicago, Il.)—Interior view of automatic controls, West Station Containers Box 14 , Slide 21 New Orleans, La.—Interior view of water-gas set, square top type Containers Box 14 , Slide 22 Kokomo Gas and Fuel Co. (Kokomo, In.)—Exterior view of automatic charger Containers Box 14 , Slide 23 Interior view of automatic charger for water-gas generator with worker Containers Box 14 , Slide 24 Chicago By-Product Coke Co. (Chicago, Il.)—Interior view of charging larry Containers Box 14 , Slides 25 Seaboard By-Product Coke Co. (Nj.)—Exterior view of Koppers naphthalene removal plant Containers Box 14 , Slide 26-29 Cross-section drawing of Tozer retort, low temperature carbonization Containers Box 14 , Slide 31 Cross-section drawing of McLaurin retort, low temperature carbonization Containers Box 14 , Slide 32 Low Temperature Carbonziation Ltd. (England)--Exterior view of retort house Containers Box 14 , Slide 33 Low Temperature Carbonziation Ltd. (England)--Exterior view of retort house Containers Box 14 , Slide 34 Cross-section drawing of Piron-Caracristi retort, low temperature carbonization Containers Box 14 , Slide 35 Cross-section drawing of Coalite retort, low temperature carbonization Containers Box 14 , Slide 36 Cross-section drawing of Summers retort, low temperature carbonization Containers Box 14 , Slide 37 Cross-section drawing of retort, low temperature carbonization Containers Box 14 , Slide 38 Cross-section drawing of Lignite retort, French Containers Box 14 , Slide 40 Drawing of English gas plant , 1815 Containers Box 14 , Slide 41 Cross-section drawing of Greene-Laucks retort, low temperature, carbonization Containers Box 14 , Slide 42 Near Greensburg, Pa. – First beehive coke ovens from Greensburg to Mt. Pleasant Containers Box 14 , Slide 46 Exterior view of beehive coke ovens, coke drawing machine Containers Box 14 , Slide 49 Exterior view of beehive coke ovens in operation Containers Box 14 , Slide 50 Exterior view of beehive coke ovens, pushing machine in operation Containers Box 14 , Slide 51 Seaboard By-Product Coke Co. (Nj.)—Interior view of vibrating coke screens and conveyors Containers Box 14 , Slide 53 Seaboard By-Product Coke Co. (Nj.)—View of rotary disc grizzlies Containers Box 14 , Slide 54 Seaboard By-Product Coke Co. (Nj.)—View of rotary disc grizzlies Containers Box 14 , Slide 55 Seaboard By-Product Coke Co. (Nj.)—View of coke conveyor belt Containers Box 14 , Slide 56 Providence, Ri.—View of underfiring system, reversing valves Containers Box 14 , Slide 58 Exterior view of pusher machine, small gas plant type Containers Box 14 , Slide 59 McKinney Steel Co. (Cleveland, Oh.)—Exterior view of pusher, battery, and suction main Containers Box 14 , Slide 60 Section drawing of Koppers oven, through flues Containers Box 14 , Slide 64 Consumers Power Co. (Zilwaukee, Mi.)—Exterior view of coal charging larry and battery tops with worker Containers Box 14 , Slide 66 Lehigh Coke Co. (Bethlehem, Pa.)—Exterior view of quenching station Containers Box 14 , Slide 67 Exterior view of quenching station Containers Box 14 , Slide 68 Chicago By-Product Coke Co. (Chicago, Il.)—Interior view of boiler house Containers Box 14 , Slides 69-71 Chart drawing of distribution of phosphorus in coal seam, Lower Kittaning coal, Fayette County, Pa. Containers Box 14 , Slide 72 Chart of weathering of Pittsburgh coal bed, experimental mine, Allegheny County, Bruceton, Pa. Containers Box 14 , Slide 73 Chart diagram of coal cubic feet weights and the effect of moisture and size Containers Box 14 , Slide 74 Chart diagram of coal cubic feet weights and the effect of moisture Containers Box 14 , Slide 75 Graph of ultimate analyses, Isovolatile and isocalorific curves on tri-axial diagram (Ralston, U.S. Bureau of Mines) Containers Box 14 , Slide 76 Cost analysis of charging and clinkering water gas, Chicago, Il Containers Box 14 , Slide 78 Comparative operating data with and without automatic charging, Fort Wayne, In. Containers Box 14 , Slide 79 Interior view of Howard automatic charger, Fort Wayne, In. Containers Box 14 , Slide 80 Line drawing of Howard automatic charger Containers Box 14 , Slides 81-82 Chicago By-Product Coke Co. (Chicago, Il.)—View of workers and hand clinkering , 1926 Containers Box 14 , Slide 83 Chicago By-Product Coke Co. (Chicago, Il.)—View of workers and hand clinkering , 1926 Containers Box 14 , Slide 85 Line drawing of A.B.C. self clinkering generator base Containers Box 14 , Slide 86 Interior view of A.B.C. generator base, Chicago, Il. Containers Box 14 , Slide 87 Interior view of drive mechanism on A.B.C. self clinkering generator base, Chicago, Il. Containers Box 14 , Slide 89 Operating data for A.B.C. self clinkering generator base , 1926 Containers Box 14 , Slide 90 Diagram of water-gas generator with Howard charger and A.B.C. grate Containers Box 14 , Slide 91 Water-gas set, hand operated Containers Box 14 , Slide 92 Chicago By-Product Coke Co. (Chicago, Il.)—Interior view of operating floor with automatic controls Containers Box 14 , Slide 93 United Gas Improvement Co. (UGI) (Pa.)—Product photo of electric automatic control of water gas Containers Box 14 , Slide 94 Diagram of Labor comparison between "hand operation" and automatic operation Containers Box 14 , Slide 95 Graph of gas production comparison between hand and automatic control Containers Box 14 , Slide 96 Graph of comparative yields with hand operation and automatic control Containers Box 14 , Slide 97 River Rouge Water Gas Plant (River Rouge, Mi.)—Control room from exterior Containers Box 14 , Slide 98 River Rouge Water Gas Plant (River Rouge, Mi.)—Interior view of operating floor Containers Box 14 , Slide 99 River Rouge Water Gas Plant (River Rouge, Mi.)—Interior view of generator base Containers Box 14 , Slide 100 River Rouge Water Gas Plant (River Rouge, Mi.)—Interior view of control house Containers Box 14 , Slide 101 River Rouge Water Gas Plant (River Rouge, Mi.)—Heat balance analysis , 1926 Containers Box 14 , Slide 102 Graph of comparative cubic reserves of oil, anthracite, and bituminous coal Containers Box 14 , Slide 103 A.G.A. Monthly, Graph of kinds of gas sold ending in 1925 , 1926 Containers Box 14 , Slide 104 Conclusions drawn from Ramsburg's paper "Revolutions: Development in Gas Manufacture" Containers Box 14 , Slide 105 Chicago By-Product Coke Co. (Chicago, Il) —Coke section of Kentucky H.V. (stockpile coal). Box test Containers Box 14 , Slide 106 Chicago By-Product Coke Co. (Chicago, Il) —Coke section of Kentucky H.V. (stockpile coal), through 35 mesh, box test Containers Box 14 , Slide 107 Chicago By-Product Coke Co. (Chicago, Il) —Coke sections filled, high and low ash Coxton coals, effects on ash structure Containers Box 14 , Slide 108 Water-gas set, hand operated Containers Box 14 , Slide 110 Weirton Steel Co. (Weirton, Wv.)—Coke surface, effect of slate pieces on structure (85% Redstone coal, 15% Pocahontas coal) Containers Box 14 , Slides 113-114 Coke section, filled 4x, 100%, Orient Coal mine, Illinois Containers Box 14 , Slide 115 Chicago By-Product Coke Co. (Chicago, Il.)—Coke section, pebbly seam through piece, 100% Zeigler screenings, box test Containers Box 14 , Slide 116 Chicago By-Product Coke Co. (Chicago, Il.)—Coke section, filled, 4x, 100% Zeigler screenings, box test Containers Box 14 , Slide 117 Chicago By-Product Coke Co. (Chicago, Il.)—Coke surface, pebbly seam in French coke, DeWendell test, Becker ovens Containers Box 14 , Slides 118-119 Columbia Steel Corp. (Provo, Ut.)—Coke section, filled, 4x, Utah beehive coke showing deposited carbon skin Containers Box 14 , Slide 120 Minnesota By-Product Coke Co. (St. Paul, Mn.)—General view of buildings and towers at Thylex liquid purification plant , 1927 Containers Box 15 , Slides 1-2 Minnesota By-Product Coke Co. (St. Paul, Mn.)—Exterior view of liquid purification scrubbers and final coolers at Thylex liquid purification plant , 1927 Containers Box 15 , Slides 3-4 Minnesota By-Product Coke Co. (St. Paul, Mn.)—Interior view of Thylex liquid purification plant , 1927 Containers Box 15 , Slides 5-6 Minnesota By-Product Coke Co. (St. Paul, Mn.)—Interior view of K and K machines, inlet side, at Thylex liquid purification plant , 1927 Containers Box 15 , Slides 7-10 Minnesota By-Product Coke Co. (St. Paul, Mn.)—Interior view of pump room at Thylex liquid purification plant Containers Box 15 , Slides 11-14 Koppers Co.—Thylex liquid purification process, continuous filter showing sulfur cake Containers Box 15 , Slides 15-16 West Boston Gas Co. (Framingham, Ma.)—Exterior view of small oven plant Containers Box 15 , Slide 18 Utica Gas and Electric Co. (Utica, Ny.)—General exterior view of plant Containers Box 15 , Slide 19 Michigan Akali Co. (Wyandotte, Mi.)—Exterior view of battery top Containers Box 15 , Slide 20 Map showing relative areas of Bituminous, Anthracite, and Petroleum resources of the southeastern United States Containers Box 15 , Slide 21 Typical analyses of coking coals, face samples from mine Containers Box 15 , Slide 22 Graph of Chicago Coal prices, 1919-1926 Containers Box 15 , Slide 23 Pennsylvania Crusher Company—view of hammer mill Containers Box 15 , Slide 24 Diagram of Seyler's classification of coals Containers Box 15 , Slides 25-28 Chicago By-Product Coke Co. (Chicago, Il.—General view of Koppers naphthalene plant and coal gas scrubber Containers Box 15 , Slides 30-31 Chicago By-Product Coke Co. (Chicago, Il.)—Interior view of automatic control box in pump room, coal gas scrubber Containers Box 15 , Slide 32 Chicago By-Product Coke Co. (Chicago, Il.)—Interior view of naphthalene plant, pump room, coal gas scrubber Containers Box 15 , Slide 33 Consumers Power Co. (Peoria, Il.)—Exterior view of naphthalene removal plant Containers Box 15 , Slide 34 Line drawing of naphthalene scrubber, single tower type Containers Box 15 , Slide 35 Line drawing of double pass naphthalene scrubber Containers Box 15 , Slide 36 Daily pressure chart, automatic control naphthalene removal Containers Box 15 , Slide 37 New England Fuel and Transportation Company (Everett, Ma.)—line drawing of charging mechanism Containers Box 15 , Slide 38 New England Fuel and Transportation Company (Everett, Ma.)—larry car Containers Box 15 , Slide 39 Diagram of organic sulfur in coke oven gas, gas purifying train and referee apparatus , 1927 Containers Box 15 , Slide 40 Table of organic sulfur in coal and gas , 1927 Containers Box 15 , Slide 41 Graph of rate of evolution of organic sulfur from coke oven gas , 1927 Containers Box 15 , Slide 42 Graph of relation of sulfur in coal to sulfur in coke and gas , 1927 Containers Box 15 , Slide 43 Graph of percentage of total sulfur charged in coal retained by coke and organic sulfur in gas , 1927 Containers Box 15 , Slide 44 Colorado Fuel and Iron Co. (Co.)—Carpenter coal driers Containers Box 15 , Slides 45-46 Drawing of Carpenter centrifugal coal driers Containers Box 15 , Slides 47-48 Unidentified plant—Horizontal retorts and charger Containers Box 15 , Slide 49 Drawing of Cokedale Rheolaveur Washery Containers Box 15 , Slide 50 Drawing of Hammer Crusher Containers Box 15 , Slide 52 Drawing of Pa. Single Roll Coal Crusher Containers Box 15 , Slide 53 Map of low sulfur coal areas in Illinois Containers Box 15 , Slide 54 Chart of Chicago coal prices, 1919-1926 Containers Box 15 , Slide 55 Table of typical analyses of coking coals Containers Box 15 , Slide 56 Table of coal used in Illinois and Indiana for coking Containers Box 15 , Slide 57 Table of by-product yields from Illinois coal Containers Box 15 , Slide 58 Table of Illinois coal shipped and coked Containers Box 15 , Slide 59 Drawing of comparative flue areas, different gases Containers Box 15 , Slide 68 Map of by-product coke plant locations in Central District (Wisconsin, Illinois, Indiana, Michigan, Ohio, Kentucky) , 1914 Containers Box 15 , Slide 70 Map of by-product coke plant locations in Central District (Wisconsin, Illinois, Indiana, Michigan, Ohio, Kentucky) , 1925 Containers Box 15 , Slide 71 Graph of commercial sales of by-product coke, 1918-1926 Containers Box 15 , Slide 72 Chart of P.C.E. Refractory Mortars – 10% to 15% residue Containers Box 15 , Slide 73 Chart of P.C.E. Refractory Mortars – 15% to 20% residue Containers Box 15 , Slide 74 Chart of P.C.E. Refractory Mortars – 20% to 25% residue Containers Box 15 , Slide 75 Chart of P.C.E. Refractory Mortars – 25% to 30% residue Containers Box 15 , Slide 76 Chart of P.C.E. Refractory Mortars – 30% to 35% residue Containers Box 15 , Slide 77 Chart of P.C.E. Refractory Mortars – Fireclays Containers Box 15 , Slide 78 Diagram of dehydration by compression Containers Box 15 , Slide 79 Diagram of dehydration of gas by absorption, hygrosopic gas solution Containers Box 15 , Slide 80 Diagram of dehydration by refrigeration Containers Box 15 , Slide 81 Unidentified plant—View of Carrier refrigeration unit suitable for dehydration of 5000 mcf per day Containers Box 15 , Slide 82 Unidentified plant—View of Carrier refrigeration unit cooler in process of construction with worker Containers Box 15 , Slide 83 Unidentified plant—View of Carrier refrigeration unit suitable for dehydration of 5000 mcf per day Containers Box 15 , Slide 84 View of Centrifugal compressor with upper half of case removed Containers Box 15 , Slide 85 Drawing of liquid purification in a Thylox plant Containers Box 15 , Slide 86 Consolidated Gas Company of New York (New York, Ny)—Exterior view of the Bronx Hunt's Point plant Containers Box 15 , Slide 87 New England Fuel and Transmission Co. (Everett, Ma)—Exterior view of larry car hopper and scale Containers Box 15 , Slide 88 Illinois Northern Utility Co. (Sterling, Il.)—Drawing of vertical section through vertical ovens plant Containers Box 15 , Slide 89 Drawing of vertical section through flues and regenerators Containers Box 15 , Slide 90 Illinois Northern Utility Co. (Sterling, Il.)—Exterior view of side of verticals Containers Box 15 , Slide 91 Illinois Northern Utility Co. (Sterling, Il.)—Exterior view of ovens Containers Box 15 , Slide 92 Illinois Northern Utility Co. (Sterling, Il.)—Exterior view of side of verticals Containers Box 15 , Slide 93 Illinois Northern Utility Co. (Sterling, Il.)—View of weighing larry and coal magazines Containers Box 15 , Slide 94 Illinois Northern Utility Co. (Sterling, Il.)—Table of yields per net ton Containers Box 15 , Slide 95 Illinois Northern Utility Co. (Sterling, Il.)—Interior view of coke extractors Containers Box 15 , Slide 96 Illinois Northern Utility Co. (Sterling, Il.)—Cross section drawing of several ovens Containers Box 15 , Slide 97 Illinois Northern Utility Co. (Sterling, Il.)—Exterior view of vertical oven plant Containers Box 15 , Slide 98 Illinois Northern Utility Co. (Sterling, Il.)—Interior view of coke extractors Containers Box 15 , Slide 99 Consolidated Gas and Electric Light and Power Co. (Baltimore, Md)—A.B.C. self-clinkering generator base with a side view of beam and grate Containers Box 15 , Slide 100 Consolidated Gas and Electric Light and Power Co. (Baltimore, Md)—A.B.C. self-clinkering generator base Containers Box 15 , Slide 101 Northern Indiana Gas and Electric Co. (Fort Wayne, In.)—Interior view of Howard Automatic Charger Containers Box 15 , Slide 102 Table of Operating Results with and without an automatic charger Containers Box 15 , Slide 103 Consolidated Gas and Electric Light and Power Company (Baltimore, Md.)—Interior view of Howard Automatic Charger at the Spring Garden plant Containers Box 15 , Slide 104 Drawing of A.B.C. self-clinkering generator base and Howard charger Containers Box 15 , Slide 105 Table of operating results with and without an A.B.C self-clinkering generator base Containers Box 15 , Slide 106 Chart of carburetor temperature with hand clinkering and charging Containers Box 15 , Slide 107 Chart of carburetor temperature with A.B.C. grate and hand charging Containers Box 15 , Slides 108-109 Chart of superheater temperature with hand clinkering and hand charging Containers Box 15 , Slide 110 Graph of temperatures of superheater with A.B.C base and hand charging Containers Box 15 , Slide 111 Graph of temperatures of superheater top with A.B.C. base and Howard charger Containers Box 15 , Slides 112-113 Bailey Meter Chart of Gas Make in Automatic Machine Containers Box 15 , Slide 114 View of Western Gas automatic oil meter Containers Box 15 , Slide 115 Unidentified plant (Minneapolis, Mn.)—Interior view of A.B.C. self-clinkering generator base Containers Box 15 , Slide 116 Top view of beam of A.B.C. self-clinkering generator base Containers Box 15 , Slide 117 View of La Mont waste heat steam generator Containers Box 15 , Slide 118 Drawing of Western Gas Construction Company full automatic water gas machines Containers Box 15 , Slide 119 Minneapolis Gas Light Co. (Minneapolis, Mn.)—Table of operations results for no. 8 machine Containers Box 15 , Slide 120 Drawing of heat transfer laws developed in La Mont steam generators Containers Box 16 , Slide 1 Consolidated Gas and Electric Light and Power Company (Baltimore, Md.)—Table of operating results for No. 12 machine with A.B.C. self-clinkering generator base Containers Box 16 , Slide 2 Minneapolis Gas Light Co. (Minneapolis, Mn.)—Table of operations results for No. 7 machine Containers Box 16 , Slide 3 Side view of beam of A.B.C. self-clinkering generator base Containers Box 16 , Slide 4 Minneapolis Gas Light Co. (Minneapolis, Mn.)—View of A.B.C. self-clinkering generator base Containers Box 16 , Slide 5 Unidentified plant—View of A.B.C. self-clinkering generator base driving gear and support Containers Box 16 , Slide 6 Unidentified plant (Detroit, Mi.)—View of A.B.C. self-clinkering generator base Containers Box 16 , Slide 7 Unidentified Plant (River Rouge, Mi.)—A.B.C. self-clinkering generator base Containers Box 16 , Slide 8 Consolidated Gas and Electric Light and Power Company (Baltimore, Md.)—View of the Howard Automatic charger at the Spring Garden plant Containers Box 16 , Slide 9 Detroit City Gas Co. (River Rouge, Mi.)—View of Howard automatic charger Containers Box 16 , Slide 10 View of Western Gas Construction Company automatic oil control for C10 H8 scrubber Containers Box 16 , Slide 11 Vertical section-drawing of usual type of ammonia column still Containers Box 16 , Slide 13 Vertical section-drawing of Koppers Nepthalene Extraction plant, single tower type Containers Box 16 , Slide 14 Plate 2105 of Horizontal Retort Coke composed of 85% Westmoreland, 15% New River. 39.7% through 1/8" from Lowell, Ma. Containers Box 16 , Slide 15 Chicago By-Product Coke Co. (Chicago, Il.)—Interior view of domestic coke test boilers Containers Box 16 , Slide 17 Coal, coke, and fuel handling flow sheet Containers Box 16 , Slide 18 Consolidated Gas Company of New York (New York, Ny.)—Aerial view of Hunts Point plant , 1925 Containers Box 16 , Slide 19 Chart of total production and value of by-product coke plant products in U.S. in 1926 Containers Box 16 , Slide 20 Chart of heating value loss of coal used in making Beehive cok Containers Box 16 , Slide 21 Graph of coke production in the U.S. from 1905-1927 Containers Box 16 , Slide 22 Mount Pleasant Coke Co. (Beatty, Pa.)—Exterior view of coke ovens at the Beatty Mine Containers Box 16 , Slide 23 Mount Pleasant Coke Co.—First view of coke ovens going from Greensburg to Mount Pleasant, on the right of the road and left of the trestle Containers Box 16 , Slide 24 Map of by-product coke plants in New York, Pennsylvania, Massachusetts, Connecticut, Rhode Island, Ohio, West Virginia, New Jersey and Maryland , 1925 Containers Box 16 , Slide 25 Map of by-product coke plants in New York, Pennsylvania, Massachusetts, Connecticut, Rhode Island, Ohio, West Virginia, New Jersey and Maryland , 1914 Containers Box 16 , Slide 26 Seaboard By-Product Coke Co.—View of plant at night from Hackensack River Containers Box 16 , Slides 27-28 Seaboard By-Product Coke Co.—Exterior view of coal preparation building Containers Box 16 , Slide 30 Seaboard By-Product Coke Co.—Coal and coke storage piles Containers Box 16 , Slide 31 Seaboard By-Product Coke Co.—View of unloading coal barge Containers Box 16 , Slide 32 Seaboard By-Product Coke Co.—View of coal storage pile and bridge Containers Box 16 , Slide 33 Seaboard By-Product Coke Co.—View of workers bagging ammonium sulfate for shipment to Shanghai, China Containers Box 16 , Slide 34 Seaboard By-Product Coke Co.—View of by-product building interior Containers Box 16 , Slide 35 Seaboard By-Product Coke Co.—View of workers loading bagged smithing coke onto a ship bound for South America Containers Box 16 , Slide 37 Seaboard By-Product Coke Co.—Foundry coke being loaded onto train cars Containers Box 16 , Slide 38 Seaboard By-Product Coke Co.—Workers unloading coke from six compartment coke truck Containers Box 16 , Slide 39 Seaboard By-Product Coke Co.—View of coke being loaded onto barge and schooner boats for transport Containers Box 16 , Slide 40 Seaboard By-Product Coke Co.—View of rotary disc coke grizzly Containers Box 16 , Slide 41 Seaboard By-Product Coke Co.—Domestic coke station Containers Box 16 , Slide 42 Seaboard By-Product Coke Co.—Loading domestic coke onto trucks Containers Box 16 , Slide 43 Seaboard By-Product Coke Co.—Workers unloading and carrying domestic coke into a house Containers Box 16 , Slide 44 Seaboard By-Product Coke Co.—Exterior view of producer plant Containers Box 16 , Slide 45 Seaboard By-Product Coke Co.—Comparison of domestic coke sizes Containers Box 16 , Slide 47 Seaboard By-Product Coke Co.—Scientist analyzing coal and coke in laboratory Containers Box 16 , Slide 48 Seaboard By-Product Coke Co.—Interior view of chemical laboratory Containers Box 16 , Slide 49 Diagram of By-Product recovery process Containers Box 16 , Slide 50 Chart of average value obtained by carbonizing coal in by-product and bee-hive ovens in U.S. in 1926 Containers Box 16 , Slide 51 Koppers Co. (Pittsburgh, Pa.)—Interior view of coal laboratory at the Mellon Institute Containers Box 16 , Slide 52 Flow diagram of Becker oven when heating with coke-oven gas Containers Box 16 , Slide 53 Flow diagram of Becker oven when heating with producer gas Containers Box 16 , Slide 54 Utica Gas and Electric Co. (Utica, Ny.)—Exterior view of plant Containers Box 16 , Slide 55 Michigan Akali Co. (Wyandotte, Mi.)—View of larry Containers Box 16 , Slide 56 Central Alloy Steel Corp. (Massillion, Oh.)—Exterior view of plant Containers Box 16 , Slide 57 West Boston Gas Co. (Boston, Ma.)—Exterior view of plant Containers Box 16 , Slide 58 Consolidated Gas Co.—Exterior view of pusher Containers Box 16 , Slide 59 Consolidated Gas Co.—Exterior view of plant Containers Box 16 , Slide 60 Consolidated Gas Co.—Exterior view of charging larry Containers Box 16 , Slide 61 Consolidated Gas Co.—Exterior view of battery of coke ovens Containers Box 16 , Slide 62 Diagram of method of injecting water through a LaMont boiler Containers Box 16 , Slide 63 Exterior view of a LaMont waste heat steam generator Containers Box 16 , Slides 64-65 Consolidated Gas Company—Table of operating results from LaMont boiler Containers Box 16 , Slide 66 Table of comparative performances of LaMont and vertical water tube boilers Containers Box 16 , Slide 67 Cross-section diagram of LaMont boiler cut-off valve Containers Box 16 , Slide 68 Steam flow chart from LaMont boiler Containers Box 16 , Slide 69 Cross section diagram of LaMont boiler Containers Box 16 , Slide 70 Graph comparing tumbler and shatter tests of coke with plant yields Containers Box 16 , Slide 71 Graph illustrating the effect of duration of timber tests as show by sieve tests Containers Box 16 , Slide 72 Flow diagram of light oil refining process Containers Box 16 , Slide 73 Flow diagram of "Aqua" ammonia plant Containers Box 16 , Slide 74 Flow diagram of light oil refining process Containers Box 16 , Slide 75 Flow diagram of Koppers "Direct" process for by-product recovery Containers Box 16 , Slide 76 Photograph of train load of sized coke ready for shipment Containers Box 16 , Slide 77 Photograph of winter's supply of coke being delivered before the rush-carrying in Containers Box 16 , Slide 78 Photograph of coke being delivered to a home via chute delivery Containers Box 16 , Slide 79 Photograph of coke in a fuel bin at Rainbow Inn, St. Paul Containers Box 16 , Slide 80 Photograph of furnace room in home showing coke in fuel bin ready for winter's use Containers Box 16 , Slide 81 Instructional diagram for using Koppers coke furnaces and steam and hot water plants Containers Box 16 , Slide 82 Instructional diagram for using Koppers coke in magazine or self-feeder stoves Containers Box 16 , Slide 83 Photograph of commercial bakery oven with pasty table showing pastry baked with coke Containers Box 16 , Slide 84 Chicago By-Product Coke Co. (Chicago, Il.)—Photograph of coke tumbler at the plant Containers Box 16 , Slide 85 Michigan Akali Co. (Wyandotte, Mi.)—Exterior photograph of ammonia scrubbers Containers Box 16 , Slide 86 Michigan Akali Co. (Wyandotte, Mi.)—Interior photograph of lime-mixing tank Containers Box 16 , Slide 87 Graph of errors in coke screen tests through four inches on three inches Containers Box 16 , Slide 88 Graph of errors in coke screen tests through three inches on two inches Containers Box 16 , Slide 89 Graph of errors in coke screen tests through two inches on one and a half inches Containers Box 16 , Slide 90 Graph of errors in coke screen tests four inches Containers Box 16 , Slide 91 Graph of accuracy of screen tests on coke Containers Box 16 , Slide 92 Horizontal cross-section diagram of regeneration and flues Containers Box 16 , Slide 93 Vertical cross-section diagram of regeneration and flues Containers Box 16 , Slide 94 Vertical cross-section diagram of ovens and auxiliary apparatus Containers Box 16 , Slide 95 Interior photograph of unidentified plant machin Containers Box 16 , Slide 96 Unidentified chart of test results Containers Box 16 , Slide 97 Table of operating results from August of 1927 to February of 1928 Containers Box 16 , Slide 98 Table of operating results from April 21st of 1928 to May 5th of 1928 Containers Box 16 , Slide 99 Minnesota By-Product Coke Company (Saint Paul, Mn.)—Photograph of general exterior view Containers Box 16 , Slide 100 Map of by-product ovens in the United States as of January 1st, 1914 Containers Box 16 , Slide 101 Map of by-product ovens in the United States as of January 1st, 1928 Containers Box 16 , Slide 102 Table showing increases in under firing efficiency from 1870 to 1928 Containers Box 16 , Slide 103 North Shore Coke and Chemical Co. (Waukegan, Il.)—Photograph of exterior of battery and plant Containers Box 16 , Slide 104 Michigan Alkali Company (Wyandotte, Mi.)—Photograph of exterior of oven battery Containers Box 16 , Slide 105 Photograph of exterior of ammonia washers Containers Box 16 , Slide 106 Hamilton Coke and Iron Company (Hamilton, Oh.)—Photograph of plant from exterior Containers Box 16 , Slides 107-108 Hamilton Coke and Iron Company (Hamilton, Oh.)—Photograph of battery and plant from exterior Containers Box 16 , Slide 109 Hamilton Coke and Iron Company (Hamilton, Oh.)—Photograph of by-product and light oil scrubbers from exterior Containers Box 16 , Slides 110-111 Graph of showing relationship of carbon of ash to loss of charged fuel, from the gas production operation paper at the American Gas Association convention , 1927 Containers Box 16 , Slide 112 Table depicting the production of pig iron and ammonium sulfate in the United States from 1913 to 1927 Containers Box 16 , Slide 113 Table listing by-product plants built or contracted after 1926 as of June 1928 Containers Box 16 , Slide 114 Table listing by-product plants built or contracted as of June 1928 Containers Box 16 , Slide 115 Table of by-product ammonium sulfate production Containers Box 16 , Slides 116-117 Table of the distribution of nitrogen in by-product coking Containers Box 16 , Slide 118 Early By-Product Coke (Dunbar, Pa.)—General exterior view of pusher side of plant Containers Box 16 , Slide 119 Early By-Product Coke (Dunbar, Pa.)—General exterior view of plant Containers Box 16 , Slide 120 Table of Coke Production in the United States from 1913 to 1927 Containers Box 17 , Slide 2 Table depicting a statistical summary of the coke industry for 1927 Containers Box 17 , Slide 3 Table depicting products sold by the by-product coking industry for 1927 Containers Box 17 , Slide 4 Table depicting average yields per ton in by-product plants for 1927 Containers Box 17 , Slide 5 Graph depicting sales of by-product coke for household use from 1918 to 1926 Containers Box 17 , Slide 6 Chart depicting nitrogen requirements and potential production in the United States , 1928 Containers Box 17 , Slide 7 Map of the by-product coke and gas in United States as of Jan. 1, 1928 Containers Box 17 , Slide 8 Chart of the distribution of nitrogen in the coal of by-product coking , 1928 Containers Box 17 , Slide 9 Chart depicting the production of by-product ammonium sulfate in the United States from 1913 through 1928 (estimated) Containers Box 17 , Slide 10 Table depicting world production of nitrogen Containers Box 17 , Slide 11 Table depicting the distribution of nitrogen in the United States from 1926 to 1927 Containers Box 17 , Slide 12 Flow diagram of typical small oven plant Containers Box 17 , Slide 13 Diagram of vertical cross-section of Cottrell tar precipitator Containers Box 17 , Slide 14 Michigan Akali Co. (Wyandotte, Mi.)—Flow diagram of tar and ammonia piping Containers Box 17 , Slide 15 Connecticut Coke Co.—Flow diagram of hot gas purification system Containers Box 17 , Slide 16 Diagram of vertical cross-section of Grand Rapids dehydration plant Containers Box 17 , Slide 17 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Vertical cross-section diagram of Dephenolizing plant Containers Box 17 , Slide 18 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Exterior view of Dephenolizing plant Containers Box 17 , Slides 19-21 Unidentified plant—Interior view of ammonia still and connections, dephenolizing apparatus Containers Box 17 , Slide 22 Unidentified plant—Exterior view of dephenolizing plant Containers Box 17 , Slide 23 Seaboard By-Product Coke Co. (Kearny, Nj.)—Exterior view of large bacterial filters Containers Box 17 , Slide 24 Seaboard By-Product Coke Co. (Kearny, Nj.)—Interior view of bacterial filter Containers Box 17 , Slide 25 Seaboard By-Product Coke Co. (Kearny, Nj.)—Interior view of Bacterial Filter B, looking south-east Containers Box 17 , Slide 26 Seaboard By-Product Coke Co. (Kearny, Nj.)— Interior view of Bacterial Filter B, looking east Containers Box 17 , Slide 27 Schematic elevation diagram of Koppers Recovery Process from Roberts' Coal Carbonization paper , 1927 Containers Box 17 , Slide 28 Flow diagram of Koppers By-Product Apparatus Containers Box 17 , Slide 29 Consolidated Gas Company of New York (New York, Ny)—Interior view of Koppers Ammonia Still at Hunts Point plant Containers Box 17 , Slide 30 Diagram of usual type of ammonia still Containers Box 17 , Slide 31 Philadelphia Coke Co. (Philadelphia, Pa.)—Diagram of Koppers ammonia still Containers Box 17 , Slide 32 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Exterior view of plant Containers Box 17 , Slide 33 Michigan Akali Co. (Wyandotte, Mi.)—Exterior view of Benzol plant Containers Box 17 , Slide 34 Central Alloy Steel Co. (Massillon, Oh.)—Exterior view of Benzol plant Containers Box 17 , Slide 35 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Exterior view of Benzol plant Containers Box 17 , Slide 36 Grand Rapids Gas Light Co. (Grand Rapids, Mi.)—Exterior view of Brine Dehydration plant Containers Box 17 , Slide 37 Flue diagram of Becker oven Containers Box 17 , Slide 38 North Shore Coke and Chemical Co. (Waukegan, Il.)—Exterior view of Thylox liquid purification plant Containers Box 17 , Slide 39 Connecticut Coke Co. (New Haven, Ct.)—Vertical elevation drawing of a novel arrangement for a by-product apparatus Containers Box 17 , Slide 41 Unidentified plant—Exterior view Containers Box 17 , Slide 42 Unidentified diagram Containers Box 17 , Slide 44 Flow diagram of Thomas Gas Meter Containers Box 17 , Slide 45 Flow diagram of Republic Gas Meter Containers Box 17 , Slide 46 View of Sturtevant fan with a three quarter housed down blast discharge Containers Box 17 , Slide 47 View of impeller for Sturtevant fan Containers Box 17 , Slide 48 View of impeller for Turbovane fan Containers Box 17 , Slide 49 Vertical cross-section drawing of Gas Pressure Regulator Containers Box 17 , Slide 50 Vertical elevation drawing of Gas Pressure Regulator Containers Box 17 , Slide 51 Image of 40 in. Sturtevant fan Containers Box 17 , Slide 52 Exterior view of Thylox liquid purification plant Containers Box 17 , Slide 54 Vertical elevation drawing of New Pressure-type Thionizer Containers Box 17 , Slide 55 Grand Rapids Gas Light Co. (Grand Rapids, Mi.)—Exterior view of brine dehydration plant Containers Box 17 , Slide 56 Connecticut Coke Co. (New Haven, Ct.)—Vertical elevation drawing of a novel arrangement for a by-product apparatus Containers Box 17 , Slide 57 Harbison Walker Co. (East Chicago, In.)—Drawing of producer plant building Containers Box 17 , Slide 58 Seaboard By-Product Coke Co.—Drawing of liquid purification plant Containers Box 17 , Slide 59 Seaboard By-Product Coke Co.—Diagram of liquid purification process Containers Box 17 , Slide 60 Diagram of Sulphur recovery process in a liquid purification plant Containers Box 17 , Slide 61 Illinois-Missouri Pipeline Co. (Wood River, Ill.)—Exterior view of liquid purification plant utilizing the Seaboard process Containers Box 17 , Slide 62 Illinois-Missouri Pipeline Co. (Wood River, Ill.)—Exterior view of liquid purification plant utilizing Seaboard process for purifying refinery gas Containers Box 17 , Slide 63 Unidentified plant—Exterior view of liquid purification plant utilizing the Seaboard process Containers Box 17 , Slides 64-65 Unidentified plant—Exterior view of towers at a liquid purification plant, Containers Box 17 , Slides 66-67 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Exterior view of plant for the removal of phenols from ammonia liquor Containers Box 17 , Slide 68 Temperature chart for automatic control of coke-fired furnace by thermostat Containers Box 17 , Slide 69 Table of Shaw check analyses of Phenol methods Containers Box 17 , Slide 70 Diagram of Shaw analytical apparatus for phenols Containers Box 17 , Slide 71 Chicago By-Product Coke Co. (Chicago, Il.)—Interior view of ammonia salt storage room Containers Box 17 , Slide 72 Graph of by-product coke sales for household use from 1918 to 1926 Containers Box 17 , Slide 73 Table of coke production in the United States from 1913 to 1927 Containers Box 17 , Slide 74 Diagram of Koppers ammonia still Containers Box 17 , Slides 75-76 Connecticut Coke Co. (New Haven, Ct.)—Exterior view of plant Containers Box 17 , Slide 77 Utica Gas and Electric Co. (Utica, Ny.)—Tar plant and Benzol plant Containers Box 17 , Slide 78 Unidentified plant—Exterior view of North Shore plant showing battery, holder, coal storage, etc. Containers Box 17 , Slide 79 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Exterior view of Domestic and Metallurgical coke screening stations Containers Box 17 , Slide 80 Consolidated Gas Co.—Exterior view of Domestic coke screening station Containers Box 17 , Slide 81 Philadelphia Coke Co. (Philadelphia, Pa.)—Exterior top view of Becker ovens Containers Box 17 , Slide 82 Consumers Power Co. (Flint, Mi.)—Exterior view of oven battery Containers Box 17 , Slide 83 Consolidated Gas Co.—Interior view of sulphate dryer and equipment Containers Box 17 , Slide 84 Consolidated Gas Co.—Exterior view of producer plant building and stack connection Containers Box 17 , Slide 85 Consolidated Gas Co.—Exterior view of top of battery Containers Box 17 , Slide 86 Michigan Akali Co. (Wyandotte, Mi.)—Exterior view of entire plant Containers Box 17 , Slide 87 Central Public Service Co. (Rockford, Il.)—Exterior view of plant Containers Box 17 , Slide 89 Consumers Power Co. (Flint, Mi.)—Exterior view of liquid purification plant utilizing the Seaboard process Containers Box 17 , Slide 90 Utica Gas and Electric Co. (Utica, Ny.)—Exterior view of outside saturator Containers Box 17 , Slide 91 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Exterior view of light oil plant Containers Box 17 , Slide 92 Unidentified plant (Norfolk, Ne.)—Interior view of hand operated 5'-0 water-gas set Containers Box 17 , Slide 93 Unidentified plant (Birmingham, Al.)—Exterior view of purifiers with four compartment welded steel, a Gantry crane, and oxide elevator Containers Box 17 , Slide 94 Unidentified plant (La Jolla, Ca.)—Exterior view of 1,000 cu. ft. capacity high pressure tank Containers Box 17 , Slide 95 Peoples Light, Gas and Coke Co. (Chicago, Il.)—Interior view of waste heat boilers Containers Box 17 , Slide 96 Pittsburgh Coal Co. (Pittsburgh, Pa.)—Interior view of carpenter dryers manufactured by the American Rheolaveur Corp., Containers Box 17 , Slide 97 Philadelphia Coke Co. (Philadelphia, Pa.)—Interior view of dephenolizing apparatus showing shot pump, control mechanism, and surge tank Containers Box 17 , Slide 98 Philadelphia Coke Co. (Philadelphia, Pa.)—Interior view of dephenolizing apparatus showing dephonolizer, blower, and instrument board Containers Box 17 , Slide 99 Connecticut Coke Co.—Interior view of housing and wind box in front of boiler using actifier air Containers Box 17 , Slide 100 Philadelphia Coke Co. (Philadelphia, Pa.)—Interior view of dephenolizing apparatus Containers Box 17 , Slide 101 Dephenolizing apparatus from drawing by Koppers Containers Box 17 , Slide 102 Hamilton Coke and Iron Co. (Hamilton, Oh.)—150 ton capacity ladle for transporting molten metal Containers Box 17 , Slide 103 Unidentified plant (Albion, Mi.)—300,000 capacity, 3 lift, welded gas holder Containers Box 17 , Slide 104 Unidentified plant (Baltimore, Md.)—Water-gas producer showing A.B.C. grate and bearings Containers Box 17 , Slide 105 Unidentified plant (Canton, Oh.)—500,000 capcity, 3 lift gas holder Containers Box 17 , Slide 108 Map of tar plant locations Containers Box 17 , Slide 110 Connecticut Coke Co.—Actifier tower showing air heater and down-comer Containers Box 17 , Slide 111 Connecticut Coke Co.—Absorber and outside saturator Containers Box 17 , Slide 112 Unidentified plant—gas producer operating on actifier air Containers Box 17 , Slide 113 Hamilton Coke and Iron Co. (Hamilton, Oh.)—View of foundry coke (35% Longbeach, 35% Powellton, 30% Houston) Containers Box 17 , Slide 114 American Tar Pitch Co.—view of pitch burner Containers Box 17 , Slide 115 Cincinnati, Oh. water-gas plant under construction Containers Box 17 , Slide 116 Federal Creosoting Co.—exterior view of creosoting plant Containers Box 17 , Slide 117 Unidentified plant (Lincoln, Ne.)—Exterior view of naphthalene plant Containers Box 17 , Slide 118 Philadelphia Coke Co. (Philadelphia, Pa.)—Exterior view of battery ovens and pushers Containers Box 17 , Slide 120 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Exterior view of metallurgical coke screening station Containers Box 18 , Slide 1 Brooklyn Union Gas Co. (Brooklyn, Ny.)—Exterior view of completed plant Containers Box 18 , Slide 2 Rochester Gas and Electric Corporation (Rochester, Ny.)—Exterior view of plant Containers Box 18 , Slide 3 Philadelphia Coke Co. (Philadelphia, Pa.)—Exterior view of by-product recovery apparatus Containers Box 18 , Slide 4 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Interior view of still room with preheater and boiler still Containers Box 18 , Slide 5 Philadelphia Coke Co. (Philadelphia, Pa.)—Interior view of dephenolizing apparatus Containers Box 18 , Slide 6 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Interior view of Bradford breaker Containers Box 18 , Slide 8 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Interior view of crusher and coke screener Containers Box 18 , Slide 10 Hamilton Coke and Iron Co. (Hamilton, Oh.)—View of switchboard and electrical equipment for Hammermill crusher Containers Box 18 , Slide 11 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Photograph of 7/8 inch Robbins shaker screen Containers Box 18 , Slide 12 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Exterior view of empty coke wharf Containers Box 18 , Slide 13 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Interior view of Hammermill crusher Containers Box 18 , Slide 14 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Photograph of belt conveyor from the Hammermill crusher to the oven storage bin Containers Box 18 , Slide 15 Philadelphia Coke Co. (Philadelphia, Pa.)—Photograph of hummer screen Containers Box 18 , Slide 16 Temperature chart showing home heated by new magazine boiler and controlled by thermostat Containers Box 18 , Slide 17 Photograph of new magazine boiler, front view Containers Box 18 , Slide 19 Photograph of American radiator, back view Containers Box 18 , Slide 20 Chart from paper by Rose and Sebastian showing the coal storage effect of heat and oxidation on coking coal Containers Box 18 , Slide 21 Chart from paper by Rose and Sebastian showing the formation of soluble ulmins by oxidation Containers Box 18 , Slide 22 Chart from paper by Rose and Sebastian showing the effect of oxidation and carbonization on ultimate analysis Containers Box 18 , Slide 23 Triaxial diagram of coal from paper by Rose and Sebastian showing ultimate analysis Containers Box 18 , Slide 24 Chart from paper by Rose and Sebastian showing the effect of carbonization on ultimate analysis Containers Box 18 , Slide 25 Chart from paper by Rose and Sebastian showing the effect of carbonization on proximate analysis and heating value Containers Box 18 , Slide 26 Chart from paper by Rose and Sebastian showing the combined effect of oxidization and heat on ultimate analysis Containers Box 18 , Slide 27 Chart from paper by Rose and Sebastian showing the effect of oxidization on proximate analysis and heating value Containers Box 18 , Slide 29 Chart from paper by Rose and Sebastian showing the effect of carbonization and oxidization on proximate analysis and heating value Containers Box 18 , Slide 30 Chart from paper by Rose and Sebastian showing the effect of oxidization on coking properties Containers Box 18 , Slide 31 Cross section drawing of Koppers Ovens and Becker ovens at Clairton Containers Box 18 , Slide 32 Synthetic Nitrogen Products Corporation (Merseburg, Germany)—Exterior view of 3rd St. Ammonia works Containers Box 18 , Slide 33 Synthetic Nitrogen Products Corporation (Merseburg, Germany)—Exterior view of 3rd St. Ammonia works pipes Containers Box 18 , Slide 34 Synthetic Nitrogen Products Corporation (Leuna, Germany)—Birds eye view of largest nitrogen fixing factory in the world Containers Box 18 , Slide 35 Synthetic Nitrogen Products Corporation (Merseburg, Germany)—Exterior view of southern end of 3rd St. Ammonia works Containers Box 18 , Slide 36 Synthetic Nitrogen Products Corporation (Leuna, Germany)—Photograph of ammonia liquor tanks Containers Box 18 , Slide 37 Synthetic Nitrogen Products Corporation—Photograph of ammonia factory Containers Box 18 , Slide 38 Synthetic Nitrogen Products Corporation (Oppau, Germany)—Photograph of fertilizer storage house Containers Box 18 , Slide 39 Synthetic Nitrogen Products Corporation—Photograph of calcium nitrate spraying tower Containers Box 18 , Slide 40 Synthetic Nitrogen Products Corporation—Photograph of calcium nitrate factory Containers Box 18 , Slide 41 Seaboard By Product Coke Company—Photograph of new laboratory building exterior , 1929 Containers Box 18 , Slide 42 Seaboard By Product Coke Company—Photograph of new laboratory building interior , 1929 Containers Box 18 , Slide 43 Seaboard By Product Coke Company—Photograph of new laboratory building third floor storage space interior , 1929 Containers Box 18 , Slide 44 Koppers Building (Pittsburgh, Pa.)—Exterior view from the arch of the Pennsylvania Railroad Station (pres. The Pennsylvanian) Containers Box 18 , Slide 45 Koppers Building (Pittsburgh, Pa.)—Exterior view from Bigelow Boulevard Containers Box 18 , Slide 46 Koppers Building (Pittsburgh, Pa.)—Interior of lobby Containers Box 18 , Slide 47 Koppers coke advertisement comparing the amount of coke and coal ash Containers Box 18 , Slide 48 Photograph of Koppers car fleet outside of Chevrolet dealership Containers Box 18 , Slide 49 Koppers coke trucks in Philadelphia, Pa. Containers Box 18 , Slide 50 Koppers coke trucks outside of the Art Museum in Philadelphia, Pa. Containers Box 18 , Slide 51 List of Koppers liquid purification plants in 1929 Containers Box 18 , Slide 52 List of Koppers Napthalene plants as of 1929 Containers Box 18 , Slide 53 Zenith Furnace Company (West Duluth, Mn.)—Photograph of general exterior view of the plant Containers Box 18 , Slide 54 Foundry coke from the Philadelphia Coke Company (60% Powellton and 40% Houston) Containers Box 18 , Slide 55 Ben Davis apples from trees sprayed with thylox sulfur Containers Box 18 , Slide 56 Apple trees sprayed with thylox sulfur Containers Box 18 , Slide 57 Microphotographs of Koppers floatation sulfur compared with commercial precipitated sulfur Containers Box 18 , Slide 58 Microphotograph of precipitated commercial sulfur at 100x magnification Containers Box 18 , Slide 59 Microphotograph of thylox sulfur at 100x magnification Containers Box 18 , Slide 60 Brooklyn Union Gas Co. (Brooklyn, Ny.)—Photograph of general exterior view Containers Box 18 , Slide 61 Brooklyn Union Gas Co. (Brooklyn, Ny.)—Photograph of exterior from top of holder Containers Box 18 , Slide 62 Brooklyn Union Gas Co. (Brooklyn, Ny.)—Photograph of exterior of by-product building with the final coolers and liquid purification towers Containers Box 18 , Slides 63-64 Brooklyn Union Gas Co. (Brooklyn, Ny.)—Exterior view of producer house and coolers Containers Box 18 , Slide 65 Philadelphia Coke Co. (Philadelphia, Pa.)—Aerial view of plant Containers Box 18 , Slide 67-68 Philadelphia Coke Co. (Philadelphia, Pa.)—Exterior view of Coal and Coke Preparation Buildings Containers Box 18 , Slide 70 Philadelphia Coke Co. (Philadelphia, Pa.)—Exterior view of Coal Belt, Coal Bridge, and Coal Storage Containers Box 18 , Slide 71 Philadelphia Coke Co. (Philadelphia, Pa.)—Exterior view of Holders, Producer House, Coolers, and Coal Mixing Building Containers Box 18 , Slide 72 Philadelphia Coke Co. (Philadelphia, Pa.)—Exterior view of Coal Unloading Station Containers Box 18 , Slides 73-74 Philadelphia Coke Co. (Philadelphia, Pa.)—Exterior view of Coal Bridge, Belt, and Station Pile Containers Box 18 , Slide 75 Philadelphia Coke Co. (Philadelphia, Pa.)—Domestic Coke Screening Station Containers Box 18 , Slide 76 Philadelphia Coke Co. (Philadelphia, Pa.)—Unloading coal from steamer to conveyor belt Containers Box 18 , Slide 77 Philadelphia Coke Co. (Philadelphia, Pa.)—Exterior view of dephenolizing apparatus, liquid purification tower, naphthalene removal apparatus, and holder Containers Box 18 , Slide 78 Philadelphia Coke Co. (Philadelphia, Pa.)—Tar separators Containers Box 18 , Slide 79 Philadelphia Coke Co. (Philadelphia, Pa.)—Interior view of Ammonium Sulphate room with salt storage Containers Box 18 , Slide 80 Youngstown Sheet and Tube Co. (South Chicago, In.)—General exterior view of plant Containers Box 18 , Slides 83-85 Youngstown Sheet and Tube Co. (South Chicago, In.)—Exterior view of charging larry and charging bin Containers Box 18 , Slide 86 Youngstown Sheet and Tube Co. (South Chicago, In.)—Interior view of by-product room Containers Box 18 , Slide 87 Youngstown Sheet and Tube Co. (South Chicago, In.)—Interior view of Thiessen washers Containers Box 18 , Slide 88 Connecticut Coke Co. (New Haven, Ct.)—Exterior view of domestic coke screening station Containers Box 18 , Slide 91 Connecticut Coke Co. (New Haven, Ct.)—Interior view of Gas-booster house Containers Box 18 , Slide 92 Connecticut Coke Co. (New Haven, Ct.)—Exterior view of final coolers and tar separators Containers Box 18 , Slide 93 Connecticut Coke Co. (New Haven, Ct.)—Exterior view of coal and coke handling equipment Containers Box 18 , Slide 94 Connecticut Coke Co. (Hartford, Ct.)—Exterior view of coke storage Containers Box 18 , Slide 95 Map of Long Distance Gas transmission in Connecticut Containers Box 18 , Slide 96 Side-view diagram from publication by Rose and Sebastian on the effect of moderate oxidation on coking coal Containers Box 18 , Slide 97 Top-view diagram from publication by Rose and Sebastian on the effect of moderate oxidation on coking coal Containers Box 18 , Slide 98 Graph from publication by Rose and Sebastian depicting the effect of moderate oxidation on agglutinating value of Pocahontas # 3 seam in McDowell county West Virginia Containers Box 18 , Slide 99 Graph from publication by Rose and Sebastian depicting the effect of moderate oxidation on agglutinating value of Powellton seam in Fayette county West Virginia Containers Box 18 , Slide 100 Graph from publication by Rose and Sebastian depicting the effect of moderate oxidation on agglutinating value of Elkhorn # 3 seam in eastern Kentucky Containers Box 18 , Slide 101 Graph from publication by Rose and Sebastian depicting analyses of coke coal after moderate oxidation Containers Box 18 , Slide 102 Graph from publication by Rose and Sebastian depicting the effect of moderate oxidation on Pocahontas # 3 seam in McDowell county West Virginia Containers Box 18 , Slide 103 Graph from publication by Rose and Sebastian depicting the effect of moderate oxidation on Powellton seam in Fayette county West Virginia Containers Box 18 , Slide 104 Graph from publication by Rose and Sebastian depicting the effect of moderate oxidation on Elk # 3 seam in eastern Kentucky Containers Box 18 , Slide 105 Graph from, publication by Rose and Sebastian depicting the relationship of agglutinating value to oxygen content of coal Containers Box 18 , Slide 106 Multibasic coal charts # 1-2 from publication by H.J. Rose for the American Society of Mechanical Engineers (A.S.M.E) , Feb. 1930 Containers Box 18 , Slide 107 Multibasic coal charts # 3-5 from publication by H.J. Rose for the American Society of Mechanical Engineers (A.S.M.E) , Feb. 1930 Containers Box 18 , Slide 108 Ashley's coal classification diagram Containers Box 18 , Slide 109 Thom's coal classification diagram Containers Box 18 , Slide 111 Stanfield's coal classification diagram Containers Box 18 , Slide 112 Parr's coal classification diagram Containers Box 18 , Slide 113 Seaboard By-Product Coke Co.—Exterior view of coke station Containers Box 18 , Slide 114 Seaboard By-Product Coke Co.—Exterior view of coke truck yard and loading station Containers Box 18 , Slide 115 Comparison of Anthracite coal ash and Coke ash Containers Box 18 , Slide 116 Cross-section diagram of Magazine Boiler Containers Box 18 , Slide 117 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Interior view of ammonia still Containers Box 18 , Slide 118 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Exterior view of waterless holder Containers Box 18 , Slide 119 Drawing of Sturtevant jaw crusher machine Containers Box 19 , Slide 71 Drawing of Sturtevant automatic coal sampler Containers Box 19 , Slide 72 Drawing of Sturtevant roll crusher Containers Box 19 , Slide 73 Line mixing equipment—Philadelphia, Pa. Containers Box 19 , Slide 76 Color slide of hot coke being pushed Containers Box 19 , Slide 82 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Color slide of Koppers Seaboard Coke Plant from the Hackensack River at night Containers Box 19 , Slide 83 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Aerial view of Seaboard By-Product Coke plant Containers Box 19 , Slides 85-87 Koppers Experimental Farm (near Ligonier, Pa.)—View from apple orchard with Ligonier, Pa in the distance Containers Box 19 , Slide 88 Koppers Experimental Farm (near Ligonier, Pa.)—View from apple orchard with Ligonier, Pa in the distance , 1930 Containers Box 19 , Slide 89 Koppers Experimental Farm (near Ligonier, Pa.)—General view of the farmr Containers Box 19 , Slide 90 Koppers Experimental Farm (near Ligonier, Pa.)—Interior view of greenhouse showing radish and lettuce plants Containers Box 19 , Slide 94 Graph diagram showing annual production of beehive and by-product in the United States from 1910-1930 Containers Box 19 , Slide 99 Map of United States showing location of all by-product gas and coke ovens supplying gas for city use Containers Box 19 , Slide 100 Map of the United States showing the locations of all plants of Wood Preserving Corp. and Koppers Products Company Containers Box 19 , Slide 101 Delaware Wood Preserving Co. (Newport, De.)—Aerial view of plant grounds Containers Box 19 , Slide 102 New England Wood Preserving Co. (Nashua, Nh.)—Aerial view of plant grounds Containers Box 19 , Slide 103 11th St. Power Plant (Pittsburgh, Pa.)—Photograph of Koppers Lumino paint on the base of the stack , 1930 Containers Box 19 , Slide 107 Koppers Building (Pittsburgh, Pa)—Headquarters building at night Containers Box 19 , Slide 108 Chart of Carbonizing Capacity in the Midwestern United States of By-Product Coke Plants as of January 1st, 1930 Containers Box 19 , Slide 110 Chart of Carbonizing Capacity in the Eastern United States of By-Product Coke Plants as of January 1st, 1930 Containers Box 19 , Slide 111 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Color slide of Koppers Seaboard Coke Plant at night Containers Box 19 , Slide 113 Seaboard By-Product Coke Co. (Jersey City, Nj.)—Aerial view of plant Containers Box 19 , Slide 115 Unidentified plant —exterior view Containers Box 19 , Slide 117 Koppers Building (Pittsburgh, Pa)—Headquarters building at night with city skyline including William Penn Hotel Containers Box 19 , Slide 118 Unidentified plant – interior photograph Containers Box 20 , Slide 1 Diagram of processing Containers Box 20 , Slide 2 Unidentified plant—exterior photograph Containers Box 20 , Slides 3-4 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Interior view of grizzlies and other metallurgical equipment Containers Box 20 , Slide 5 Hamilton Coke and Iron Co. (Hamilton, Oh.)—Interior view of grizzlies and other metallurgical equipment Containers Box 20 , Slide 6 Diagram of lever system in Dupuy machine , 1932 Containers Box 20 , Slide 7 Graph of relationship between crushing strength and temperature of silica brick , 1932 Containers Box 20 , Slide 8 Photograph of Dupuy load test machine , 1932 Containers Box 20 , Slide 9 Dust testing machine Containers Box 20 , Slide 10 Test results: the dustiness of treated and untreated coke Containers Box 20 , Slide 11 Test results: the effectiveness of various treating agents on coke Containers Box 20 , Slide 12 Graph of theoretical vs experimental calibration of Koppers Decomposition meter Containers Box 20 , Slide 13 Drawing of Koppers Decomposition meter Containers Box 20 , Slide 14 Graph of test data from steam decomposition using 9'0" generator Containers Box 20 , Slide 15 Chart of material balance and daily operating costs Containers Box 20 , Slide 16 Wisconsin Gas and Electric Company (Racine, Wi.)—Operating data from Ammonia-Thylox plant in Racine, Wi. Containers Box 20 , Slide 17 Wisconsin Gas and Electric Company (Racine, Wi.)—Graph depicting relationship between purification on ammonium sulfate costs from Racine, Wi. Containers Box 20 , Slide 18 Wisconsin Gas and Electric Company (Racine, Wi.)—Solution pumps at thylox liquid purification plant Containers Box 20 , Slides 19-20 Wisconsin Gas and Electric Company (Racine, Wi.)—Exterior view of present thionizer Containers Box 20 , Slide 21 Wisconsin Gas and Electric Company (Racine, Wi.)—Diagram of new type of pressure thionizer Containers Box 20 , Slide 22 Wisconsin Gas and Electric Company (Racine, Wi.—View of thylox solution recirculating tank Containers Box 20 , Slide 23 Wisconsin Gas and Electric Company (Racine, Wi.)—View of air compressor that provides air for present thionizer Containers Box 20 , Slide 24 Wisconsin Gas and Electric Company (Racine, Wi.)—View of pressure thionizer Containers Box 20 , Slides 25-26 Wisconsin Gas and Electric Company (Racine, Wi.)—View of sulfur autoclave Containers Box 20 , Slide 27 Wisconsin Gas and Electric Company (Racine, Wi.)—View of Continuous, Disk Sulfur filter Containers Box 20 , Slide 28 Wisconsin Gas and Electric Company (Racine, Wi.)—View of cake sulfur after treatment in autoclave Containers Box 20 , Slide 29 View of two stage thylox plant Containers Box 20 , Slide 31 Diagram of two stage thylox plant Containers Box 20 , Slide 32 Graph of estimated cost of producing ammonium sulfate Containers Box 20 , Slide 34 Graph of relationship between purification and ammonium sulfate costs Containers Box 20 , Slide 35 Graph of relationship between the amount of H2S removed from gas, and the cost of sulfur at various purification costs Containers Box 20 , Slide 36 Flow diagram of typical hot actification plant Containers Box 20 , Slide 37 Graph of relationship between the amount of H2S in gas corresponding to various ammonium-sulfate yields Containers Box 20 , Slide 38 Graph of sales of coal and coke in the United States from 1918 – 1933 Containers Box 20 , Slide 39 Diagram of apparatus for the determination of ignition and extinguishing temperature of coke Containers Box 20 , Slide 40 Diagram of typical data from test in combustion apparatus Containers Box 20 , Slide 41 Graphical analysis of combustion properties of coke Containers Box 20 , Slide 42 Graph of the effect of carbonizing temperature of temperature of ignition and temperature of appearance of CO2 Containers Box 20 , Slide 43 Graphical analysis of combustion properties of coke Containers Box 20 , Slide 44 Graphical analysis from U.S. Bureau of Mines of coke carbonized at temperatures between 500° and 1000° Containers Box 20 , Slide 45 Graph of reactivity of coke in the fuel bed at various temperatures Containers Box 20 , Slide 46 Graph showing the expansion and contraction of a coal with the addition of varying amounts of filler Containers Box 20 , Slide 48 Diagram of coke treatment plant Containers Box 20 , Slide 49 Graph showing the relationship between carbonizing time and the width of the chamber Containers Box 20 , Slide 50 Graph showing the relationship between throughput and the width of the chamber Containers Box 20 , Slide 51 Compagnie des Mines de Bruay (Bruay-la-Buissière, France) –Diagram of temperatures in flues at a French coke oven plant Containers Box 20 , Slide 52 Graph of temperatures in a partially carbonized Carbolux charge Containers Box 20 , Slide 53 Compagnie des Mines de Bruay (Bruay-la-Buissière, France) – graph of temperatures taken in the centre of the charge at the plant for the production of Carbolux Containers Box 20 , Slide 54 Graphical analysis of the combustion properties of cokes carbonized at various temperatures Containers Box 20 , Slide 55 Chart of the cost of purifying gas by Ammonia-Thylox process in conjunction with manufacturing sulfuric acid Containers Box 20 , Slide 56 Graph of relationship between Hydrogen sulfide content of gas and cost of sulfur Containers Box 20 , Slide 57 Table of the estimated operating cost of using the Ammonia-Thylox process to purify 3,500 M cubic feet of coal gas per day Containers Box 20 , Slide 58 Wisconsin Gas and Electric Company (Racine, Wi.)—Table of recent Ammonia-Thylox operating data , 1933 Containers Box 20 , Slide 59 Photograph of a man on the greens of Allegheny Country Club (Sewickley, Pa.) Containers Box 20 , Slide 61 Photograph of the grounds and clubhouse at Allegheny Country Club (Sewickley, Pa.) Containers Box 20 , Slide 62 Ammonia still by-pass technical drawing Containers Box 20 , Slide 65 Philadelphia Coke Co (Philadelphia, Pa.)—Ammonia Still test data Containers Box 20 , Slide 66 Flow diagram of dephenolizer , 1935 Containers Box 20 , Slide 67 Dephenolizer operating cost estimates Containers Box 20 , Slide 68 Dephenolizer operating cost estimates , 1935 Containers Box 20 , Slide 69 Diagraph of oil processing Containers Box 20 , Slide 71 Diagram of Becker Oven Containers Box 20 , Slides 75-79 Photograph of Becker Oven Containers Box 20 , Slide 80 Photograph of Becker ovens with Top of tier no. 1 showing checkers Containers Box 20 , Slide 83 Unidentified plant exterior Containers Box 20 , Slide 86 Unidentified plant interior Containers Box 20 , Slide 87 Diagram of plant equipment Containers Box 20 , Slide 88 Photograph of plant equipment Containers Box 20 , Slide 89 Camden Coke Co (Camden, Nj.)—Photograph of plant equipment , 1935 Containers Box 20 , Slide 90 Graphical analysis of the effect of moisture in coal Containers Box 20 , Slide 91 Graph of the effect of initial spring tension on coal expansion Containers Box 20 , Slides 92-93 Diagram of plant equipment Containers Box 20 , Slides 94-96 Graph of light oil constituents of coke oven gas removed by selective scrubbing for napthalene Containers Box 20 , Slide 97 Unidentified plant exterior Containers Box 20 , Slide 99 Graph of light oil constituents of coke oven gas removed by selective scrubbing for naphthalene Containers Box 20 , Slide 101 Graph of light oil constituents of coke oven gas removed by selective scrubbing for naphthalene Containers Box 20 , Slide 103 Graph of fresh oil feed rate and heating valve loss to gas Containers Box 20 , Slide 104 Diagram of Becker oven part Containers Box 20 , Slides 106-107 Diagram of differentials in coke oven Containers Box 20 , Slide 108 Unidentified diagram Containers Box 20 , Slide 109 Graph of the relationship between maximum expansion and rate of heating Containers Box 20 , Slide 110 Graph showing the movement of the top of the coal charge during coking Containers Box 20 , Slide 111 Graph showing the relationship between linear expansion to low-volatile matter content Containers Box 20 , Slide 112 Flow diagram of liquid purification process Containers Box 21 , Slide 1 Graph depicting the relationship between the amounts of Hydrogen Sulfide Gas with sulfur yields Containers Box 21 , Slide 2 Phelolate type plant and contact acid plant financial statement Containers Box 21 , Slide 3 Gas purification plant, Chartiers Containers Box 21 , Slides 4-5 Gas purification plant, Atlantic Containers Box 21 , Slide 6 Graph of the relationship between sulfur cost and the amount of Hydrodgen Sulfide gas removed Containers Box 21 , Slide 7 Flow diagram of Koppers liquid purification system for natural and refinery still gases Containers Box 21 , Slides 8-15 Graph of movable wall oven test results Containers Box 21 , Slides 16-18 Photograph of movable wall oven , 1939 Containers Box 21 , Slide 19 Graph of movable wall oven test results Containers Box 21 , Slides 20-22 Movable wall oven Containers Box 21 , Slide 23 Flow diagram of movable wall oven Containers Box 21 , Slide 24 Graph of the temperature across charge in a coke oven Containers Box 21 , Slide 25 Koppers coke delivery truck Containers Box 21 , Slide 32 Old coke receptacle and modern Koppers receptacle Containers Box 21 , Slide 33 Shovels and poker for furnace firing Containers Box 21 , Slide 34 Worn shovels used for furnace firing Containers Box 21 , Slide 35 Diagram of nozzles and ducts for aspirating waste gas in Rueckel blast furnace , 1942 Containers Box 21 , Slide 38 Graph showing the effect of duct suction and fuel gas pressure on recirculation in Rueckel blast furnace , 1942 Containers Box 21 , Slide 39 Graph showing recirculation volume at several coking rates in Rueckel blast furnace , 1942 Containers Box 21 , Slide 40 Graph showing the effect of orifice design and fuel gas pressure on recirculation in Rueckel blast furnace , 1942 Containers Box 21 , Slide 41 Graph showing the effect of nozzle elevation and fuel gas pressure on recirculation in Rueckel blast furnace , 1942 Containers Box 21 , Slide 42 Graph showing the effect of aspirator design and fuel gas pressure on recirculation in Rueckel blast furnace , 1942 Containers Box 21 , Slide 43 Graph showing the calorific value of recirculated gas mixture from Rueckel blast furnace , 1942 Containers Box 21 , Slide 44 Graph showing the density of recirculated gas mixtures from Rueckel blast furnace , 1942 Containers Box 21 , Slide 45 Graph showing the relative diffusion rates of recirculated gas mixtures from the Rueckel blast furnace , 1942 Containers Box 21 , Slide 46 Graph showing the variation in inflammability limits with recirculation of waste gases in Rueckel blast furnac , 1942 Containers Box 21 , Slide 47 Graph showing the variation of equilibrium constant for carbon forming reactions from the Rueckel blast furnace , 1942 Containers Box 21 , Slide 48 Graph showing the variation of equilibrium constant for carbon consuming reactions in the Rueckel blast furnace , 1942 Containers Box 21 , Slide 49 Graph showing the maximum flame temperatures of several gases as they relate to the cross wall temperatures in the Rueckel blast furnace , 1942 Containers Box 21 , Slide 50 Diagram of enriching gas requirements at various coking rates from the Rueckel blast furnace , 1942 Containers Box 21 , Slide 51 Flow diagram from Rueckel blast furnace , 1942 Containers Box 21 , Slide 53 Chart showing the characteristics of various checker shapes from the Rueckel blast furn , 1942 Containers Box 21 , Slide 54 Graph of the thermal history of a regenerator at the center of its height from the Rueckel blast furnace , 1942 Containers Box 21 , Slide 55 Graph of the thermal history of top and bottom of a byproduct coke oven regenerator from the Rueckel blast furnace , 1942 Containers Box 21 , Slide 56 Diagram of true gas and brick temperatures in a byproduct coke oven regenerator from the Rueckel blast furnace , 1942 Containers Box 21 , Slide 57 Cross-section diagram of oven showing waste gas recirculating ducts from the Rueckel blast furnace , 1942 Containers Box 21 , Slide 58 Plan view diagram of air regenerator through regenerators at sole flue ports from the Rueckel blast furnace , 1942 Containers Box 21 , Slide 59 Cross-section diagram showing oven gas enriching from the Rueckel blast furnace , 1942 Containers Box 21 , Slide 60 Connecticut Coke Company (New Haven, Ct.)—Chart of heat balance from Battery 9 ovens Containers Box 21 , Slide 61 Connecticut Coke Company (New Haven, Ct.)—Table of general information on battery operation during heat balance Containers Box 21 , Slide 62 Diagram showing bituminous coal beds in West Virginia Containers Box 21 , Slide 63 Table of boiling points of several coke oven light-oil constituents Containers Box 21 , Slide 64 Graph of light oil production data from Bureau of Mines Containers Box 21 , Slide 65 Chart of Barrett company motor fuel specifications Containers Box 21 , Slide 66 Flow diagram showing standard motor fuel preparation with Ufer continuous washer and batch still Containers Box 21 , Slide 67 Flow diagram showing typical continuous standard motor benzol operation with batch washer Containers Box 21 , Slide 68 Flow diagram showing typical continuous inhibited motor benzol operation for low sulfur light oil Containers Box 21 , Slide 69 Exterior photograph of unidentified plant Containers Box 21 , Slide 70 Flow diagram showing Koppers semi-continuous light oil refining plant Containers Box 21 , Slide 71 Exterior photograph of unidentified plant Containers Box 21 , Slide 72 Graph of the value of light oil products at producer's plant from Bureau of Mines data Containers Box 21 , Slide 73 Cross-section diagrams of ovens Containers Box 21 , Slide 74 Cross-section diagrams of ovens Containers Box 21 , Slide 77 Cross-section diagram of Koppers oven with 9-10" high coke oven gas fired Containers Box 21 , Slide 78 Cross-section diagram of Koppers oven with 13' high blast furnace gas fired Containers Box 21 , Slide 79 Cross-section diagrams of ovens Containers Box 21 , Slides 80-81 Cross-section diagram of double divided combination oven blast furnace fired Containers Box 21 , Slide 82 Pressure survey diagram from old Koppers oven burning producer gas Containers Box 21 , Slide 83 Pressure survey diagram from Koppers double divided oven burning blast furnace gas Containers Box 21 , Slide 84 Cross-section diagrams of ovens Containers Box 21 , Slides 85-87 Diagram of Becker low differential combination oven blast furnace gas fired Containers Box 21 , Slide 88 Perspective section of Becker low differential oven's horizontal flue Containers Box 21 , Slide 89 Perspective section of Becker low differential oven's horizontal flue showing the support of the brickwork at the top of the flue Containers Box 21 , Slide 90 Perspective section through old Koppers oven's horizontal flue Containers Box 21 , Slide 91 Perspective section of old bottle brick construction in ovens Containers Box 21 , Slide 92 Perspective section showing new hammer head brick construction in ovens Containers Box 21 , Slide 93 Cross-section diagram of oven from 'Kimmel' Containers Box 21 , Slides 94-101 Photograph of oven construction Containers Box 21 , Slide 102 Diagram showing eroded area of oven wall from Rueckel blast furnace , 1942 Containers Box 21 , Slide 106 Cross-section diagram through oven wall from Rueckel blast furnace , 1942 Containers Box 21 , Slide 107 Table showing the chemical analysis of brick from ovens Containers Box 21 , Slide 108 Table showing the chemical analyses of various portions of an oven liner Containers Box 21 , Slide 109 Graph showing the system of FeO and SiO2 from Bowen and Echairer's article in the American Journal of Science , 1932 Containers Box 21 , Slide 110 Graph showing the system of iron – oxygen from Mathewson, Spire, and Milligan's article in the Transactions of theAmerican Society for Steel Treating , 1931 Containers Box 21 , Slide 111 Diagram showing the location of sections prepared at Hays. Slagged brick from tier 14 Containers Box 21 , Slide 112 Table showing the fusion points of sink and float portions of coal under investigation from the Harbison-Walker Refectories Company Containers Box 21 , Slide 113 Graph showing the results of Le Chatelier's experiments in thermal expansion Containers Box 21 , Slide 114 Graph showing the theoretical expansion curves for mixtures of silica minerals Containers Box 21 , Slide 115 Map of the United States showing pig iron capacity and deposits of iron ore and coal from Russel and Perch's paper Containers Box 22 , Slide 1 Graph showing the classification of typical coals in the United States from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 2 Graph showing Gieseler fluidity of three typical coals from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 3 Graph showing the effect of low volatile coal on physical properties of cokes from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 5 Graph showing the effect of coke breeze and mixture to coal on size, shatter, and tumbler tests of resultant coke from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 6 Photograph of coke made from clean, handpicked coal free of slate from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 7 Photograph of coke made from clean, handpicked coal with slate added from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 8 Graph showing the effect of pulverization of coal on physical properties of resultant coke from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 9 Graphs showing the relationship between the size of coke and coking time from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 10 Graph showing the effect of coking time on the physical properties of coke from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 11 Graph showing tumbler test results from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 12 Graph showing the effect of repeated shatter tests on the size of coke from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 13 Graph showing the effect of rank of coals on apparent specific gravities of coke from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 14 Graph showing the relationship between weight per cubic foot of dry coke and its apparent specific gravity from the conference of the American Society of Mechanical Engineers in Cincinnati, Oh. , 1942 Containers Box 22 , Slide 15 Map showing the estimated pig iron and coke capacities by blast furnace districts from Powell's paper from the American Iron and Steel Institute , 1942 Containers Box 22 , Slide 17 Diagram showing complete sulfur balance from coke to pig iron Containers Box 22 , Slide 18 Diagram showing reactions of coke sulfur in a blast furnace Containers Box 22 , Slide 19 Table showing forms of sulfur in coke Containers Box 22 , Slide 20 Table showing the distribution of sulfur forms in cokes from typical coals Containers Box 22 , Slide 21 Table showing the reactions of coal sulfur during coking process Containers Box 22 , Slide 22 Table showing coal washing reduction of sulfur content of coal Containers Box 22 , Slide 23 Table showing the oxidation of pyrites to sulfates from weathering of coal Containers Box 22 , Slide 24 Table showing the distribution of sulfur forms in typical coals Containers Box 22 , Slide 25 Table showing sulfur forms in coal Containers Box 22 , Slide 26 Dominion Steel Company plant in Sydney, Nova Scotia from Glowacki's paper presented at the Mellon Institute in Pittsburgh, Pa. , 1940 Containers Box 22 , Slides 27-28 Unidentified plant from Glowacki's paper presented at the Mellon Institute in Pittsburgh, Pa. , 1940 Containers Box 22 , Slide 31 Unidentified plant from Glowacki's paper presented at the Mellon Institute in Pittsburgh, Pa. , 1940 Containers Box 22 , Slide 34-36 Diagram of machinery from Shaffer and Russell's paper , 1943 Containers Box 22 , Slide 38 Unidentified plant equipment from Shaffer and Russell's paper , 1943 Containers Box 22 , Slide 43 Graph from Shaffer and Russell's paper , 1943 Containers Box 22 , Slide 44-46 Table of data on wooden hurdles and steel spirals as used in benzol washers from Rueckel's paper , 1943 Containers Box 22 , Slide 47 Graph showing the relationship between the circulation rate and equilibrium temperature on benzol recovery from Rueckel's paper , 1943 Containers Box 22 , Slide 48 Graph showing the effect of oil circulation, temperature, and scrubber efficiency on recovery of benzol and total light oil from coke oven gas from Rueckel's paper , 1943 Containers Box 22 , Slide 49 Diagram of Koppers light oil recovery plant from Rueckel's paper , 1943 Containers Box 22 , Slide 50 Diagram of Koppers light oil rectifier operation from Rueckel's paper , 1943 Containers Box 22 , Slide 51 Flow diagram of wash oil purifier installations from Rueckel's paper , 1943 Containers Box 22 , Slide 52 Graph log of wash oil purifier operations from Rueckel's paper , 1943 Containers Box 22 , Slide 53 Diagram of Kopper's semi-continuous light oil refining plant from Rueckel's paper , 1943 Containers Box 22 , Slide 54 Table of operating data for carbon bisulfide column from Rueckel's paper , 1943 Containers Box 22 , Slide 55 Graph of CS2 column tray analysis from Ruckel's paper , 1943 Containers Box 22 , Slide 56 Graph of tray analysis of motor fuel column producing nitration benzol from Rueckel's paper , 1943 Containers Box 22 , Slide 57 Flow diagram of the natural gasoline enrichment of producer gas for use in under-firing Solvay coke ovens from Keeling's paper Containers Box 22 , Slide 58 Table of petroleum under-firing data at Solvay plant in Milwaukee from Keeling's paper Containers Box 22 , Slide 59 Unidentified graph from Keeling's paper Containers Box 22 , Slide 60 Graph showing the relationship between vapor pressure and temperature for motor and natural gasolines from Keeling's paper Containers Box 22 , Slide 61 Table of sodium phenolate plant operating data from the Pittsburgh By-product coke plant Containers Box 22 , Slide 63 Graphs of movable wall test oven pressure from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 64 Graph of Gieseler plastometer test data from a typical blend of coking coals from Russell and Schaefer's paper , 1943 Containers Box 22 , Slide 65 Graph of viscosity relationship for a typical blend of coking coals from Russell and Schaefer's paper , 1943 Containers Box 22 , Slide 66 Diagram from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 67 Graph of volatilization curves for typical coking coals from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 68 Cross-section diagram of a coke oven charge during carbonization from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 69 Cross-section diagram from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 70 Graph showing shrinkage of cokes made from different coals from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 71 Graph showing the relationship between fluidity and volatilization for Type I movable wall test oven pressure from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 72 Graph showing the relationship between fluidity and volatilization for Type II movable wall test oven pressure from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 73 Graph showing the relationship between fluidity and volatilization for Type III movable wall test oven pressure from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 74 Graph showing the relationship between fluidity and volatilization for Type IV movable wall test oven pressure from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 75 Graph showing the relationship between fluidity and volatilization for Type V movable wall test oven pressure from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 76 Graph showing the relationship between fluidity and volatilization for Type VI movable wall test oven pressure from Russell and Schaeffer's paper , 1943 Containers Box 22 , Slide 77 Cross-section diagram of coke testing equipment Containers Box 22 , Slide 79 Graph of volume change of charge during carbonization Containers Box 22 , Slide 81 Exterior photograph of gas treater in Philadelphia, Pa. Containers Box 22 , Slide 82 Graph showing the relationship between temperature and percent expansion of coke from Kopperston No. 1 coal , 1943 Containers Box 22 , Slide 83 Cross-section diagram from Rueckel's paper , 1944 Containers Box 22 , Slide 84 Table showing properties of silica brick used in by-product coke ovens from Rueckel's paper , 1944 Containers Box 22 , Slide 85 Table showing a comparison of methods for motor gasoline production, from Rueckel's paper , 1944 Containers Box 22 , Slide 86 Table of estimated operating costs for production of 2,950 barrels per day of gasoline by hydrogenation of bituminous coal , 1944 Containers Box 22 , Slide 87 Table showing the cost of synthesis gas made from subbituminous coal , 1944 Containers Box 22 , Slide 88 Table of estimated operating costs for the production of 3,960 barrels per day of gasoline by the Fischer process from bituminous coal , 1944 Containers Box 22 , Slide 89 Table showing a comparison of methods for motor gasoline production , 1944 Containers Box 22 , Slide 90 Table showing the cost of synthesis gas made from coke , 1944 Containers Box 22 , Slide 93 Table of summary data , 1944 Containers Box 22 , Slide 94 Table showing the investment required for production of 3,960 barrels per day of gasoline by Fischer synthesis using bituminous coal , 1944 Containers Box 22 , Slide 95 Flow diagram , 1944 Containers Box 22 , Slide 96 Table showing a comparison of Russell and Denig data , 1944 Containers Box 22 , Slide 97 Table showing the investment required for production of 2,950 barrels per day of gasoline using coal hydrogenation , 1944 Containers Box 22 , Slide 98 Graph showing the variation in the quantity of coal used in the production of coke from Russell's paper Containers Box 22 , Slide 99 Photograph showing the cell structure of coal , 1947 Containers Box 22 , Slide 100 Table of coal analyses and costs from Byrnes' paper , 1944 Containers Box 23 , Slides 1-2 Table of typical coke data from Byrnes' paper , 1944 Containers Box 23 , Slide 3 Table of yields and coke costs from Byrnes' paper , 1944 Containers Box 23 , Slide 4 Table from Byrnes paper , 1944 Containers Box 23 , Slides 5-6 Graph comparing plasticity of Wharton and Carswell coal using Gieseler plastometer from Byrnes' paper , 1944 Containers Box 23 , Slide 7 Graph comparing plasticity of Carwells and Orient coal using Gieseler plastometer from Byrnes' paperr , 1944 Containers Box 23 , Slide 8 Cross-section diagram of the "A" furnace from Koppers United Company in Granite City, Il. , 1944 Containers Box 23 , Slide 9 Flow diagram from the Philadelphia Coke Company Containers Box 23 , Slide 10 New Seaboard Coke Company battery , 1946 Containers Box 23 , Slides 16-17 New Seaboard Coke Company battery , 1946 Containers Box 23 , Slide 19 New Seaboard Coke Company battery , 1946 Containers Box 23 , Slides 21-41 Formulas for oxide purifying Containers Box 23 , Slide 51 Formulas for oxide revivifying Containers Box 23 , Slide 52 Formulas for liquid purification Containers Box 23 , Slide 53 Photograph of plant Containers Box 23 , Slide 54 Photograph from Leech-Schreiber paper Containers Box 23 , Slide 55 Plant photograph from paper , 1945 Containers Box 23 , Slides 56-61 Flow diagram from paper , 1945 Containers Box 23 , Slides 62-63 Graph showing the thickness of plastic layer during coking from the Geisler plasticity paper Containers Box 23 , Slide 64 Graph showing the correlation between the thickness of plastic layer with the heating rate and the Gieseler temperature range of plasticity Containers Box 23 , Slide 65 Graph of movable wall oven test Containers Box 23 , Slide 66 Graph of coal oxidation Containers Box 23 , Slide 67 Flow diagram Containers Box 23 , Slide 68 Graph of the distributions in temperature from a coal charge in a movable wall oven Containers Box 23 , Slide 69 Graph of Gieseler Plastometer tests Containers Box 23 , Slide 70 Graph showing the effect of rate of heating on the plastic properties of coal Containers Box 23 , Slide 71 Graph showing the effect of a layer of coke breeze on top of a coal charge on pressure developed in a movable wall oven Containers Box 23 , Slide 72 Photograph of beehive ovens next to railroad tracks Containers Box 23 , Slide 73 Cross-section diagram Containers Box 23 , Slides 74-77 Photograph of beehive ovens Containers Box 23 , Slide 78 Cross-section diagram Containers Box 23 , Slide 79 Diagram from Soth and Russell's paper on the Geiseler method , 1943 Containers Box 23 , Slide 80 Photograph from Soth and Russell's paper on the Geiseler method , 1943 Containers Box 23 , Slide 81-84 Graph of duplicate test in the Geiseler plastometer from Soth and Russell's paper on the Geisler method , 1943 Containers Box 23 , Slide 85 Graph of the conversion of Geiseler units from Soth and Russell's paper on the Geiseler method , 1943 Containers Box 23 , Slide 86 Graph of the change in the rate of movement of stirrer with change in load using a calibrating pitch from Soth and Russell's paper on the Geiseler method , 1943 Containers Box 23 , Slide 87 Photograph of mechanical loader underground , 1946 Containers Box 23 , Slide 88 Photograph of strip mining using an electric shovel , 1946 Containers Box 23 , Slide 89 Photograph showing the effect constituents of coal on carbonization from Soth's paper , 1944 Containers Box 23 , Slides 90-91 Graph comparing dial movement and temperature from Soth's paper , 1944 Containers Box 23 , Slide 92 Graph showing the relationship between carbonization pressure and time after charging from Soth's paper , 1944 Containers Box 23 , Slide 93 Diagram showing room and pillar mining system from Russell's talk , 1948 Containers Box 23 , Slide 94 Diagram showing panel and block system from Russell's talk , 1948 Containers Box 23 , Slide 95 Diagram showing longwall system from Russell's talk , 1948 Containers Box 23 , Slide 96 Scale diagram of McNally-Norton jig from Russell's talk , 1948 Containers Box 23 , Slide 97 Diagram of Link-Belt jig from Russell's talk , 1948 Containers Box 23 , Slide 98 Diagram of Deister-Overstrom coal washing table from Russell's talk , 1948 Containers Box 23 , Slide 99 Diagram of Barvoys box and heavy-medium circuit from Russell's talk , 1948 Containers Box 23 , Slide 100 Table listing of typical pitch analyses , undated Containers Box 24 , Slide 1 Graph of Andrade plot Containers Box 24 , Slide 2 Graph showing the relationship between density and temperature of Koppers coke oven tar Containers Box 24 , Slide 3 Graph showing the effect of suspended phase on viscosity for two temperatures Containers Box 24 , Slide 4 Graph showing molar volume per carbon atom versus carbon-hydrogen ratio of aromatic hydrocarbons Containers Box 24 , Slide 5 Graph showing molar volume per carbon atom versus carbon-hydrogen ratio of pitches and pitch fractionsvvvvvvvvv Containers Box 24 , Slide 6 Graphical analysis of coal tar and coal tar residuals by x-ray diffraction Containers Box 24 , Slide 7 Graph comparing shearing stress to the rate of shear for several pitches Containers Box 24 , Slide 8 Graph of Andrade plot Containers Box 24 , Slide 9 Notes on the Eyring theory of viscosity Containers Box 24 , Slide 10 Graph of the relationship between the energy of activation for viscous flow and the energy of vaporization Containers Box 24 , Slide 11 Graph comparing the activation for flow and coke oven tar Containers Box 24 , Slide 12 Analysis of pitch structure from x-ray diffraction studies Containers Box 24 , Slide 13 Table of percent by weight of carbon in different size groups Containers Box 24 , Slide 14 Equations for Van Der Waals forces Containers Box 24 , Slide 15 Graph of the relationship between dielectric constants and temperature for various substances Containers Box 24 , Slides 16-17 Table of electro-magnetic properties of various substances Containers Box 24 , Slide 18 Analysis of the properties of various substances Containers Box 24 , Slide 19 Graph of the relationship between polarizability and resonance energy for simple aromatic compounds Containers Box 24 , Slide 20 Table showing properties of various aromatic hydrocarbons Containers Box 24 , Slides 21-24 Table showing properties of various heterocyclic compounds Containers Box 24 , Slide 25 Table showing properties of various base compounds Containers Box 24 , Slide 26 Table showing properties of various heterocyclic compounds Containers Box 24 , Slide 27 Table of the cryoscopic molecular weights of coal-tar pitch fractions in different solvents Containers Box 24 , Slide 28 Graph of the molecular weight of determinations on coal-tar pitches Containers Box 24 , Slide 29 Table of molecular weights from Asphaltenes as determined by various methods Containers Box 24 , Slide 30 Flow diagram of a Tar-Flash vaporization bench unit Containers Box 24 , Slide 31 Graph of flash vaporization yields Containers Box 24 , Slide 32 Chart of the principal constituents of coke-oven tar Containers Box 24 , Slide 33 Graph of flash vaporization yields Containers Box 24 , Slide 34 List of intermolecular forces Containers Box 24 , Slide 35 Chart showing the properties of various substances Containers Box 24 , Slide 36 Diagram of the structure of pitch from x-ray diffraction studies Containers Box 24 , Slide 37 Table of the percent of weight of carbon in different size groups Containers Box 24 , Slide 38 Equations for intermolecular forces Containers Box 24 , Slide 39 Graph showing the relationship between dielectric constants and temperature for various substances Containers Box 24 , Slide 40 Graph of data for various bituminous substances Containers Box 24 , Slide 41 Table of the molecular weights for asphaltenes as determined by various methods Containers Box 24 , Slide 42 Table of the cryoscopic molecular weights of coal-tar pitch fractions on various solvents Containers Box 24 , Slide 43 Table of the electromagnetic properties of various substances Containers Box 24 , Slide 44 Graph of the relationship between polarizability and resonance energy for simple aromatic compounds Containers Box 24 , Slide 45 Structural analysis from refractive index data Containers Box 24 , Slide 46 Graph of flash vaporization yields Containers Box 24 , Slide 47 Table showing the procedure for calculation of corrected hydrogen to carbon ration from ultimate analysis of pitch Containers Box 24 , Slide 48 Graph of molar refraction increments for each acromatic carbon atom versus the number of aromatic carbon atoms present in each molecule Containers Box 24 , Slide 49 Equations for the Eyring theory of viscosity Containers Box 24 , Slide 50 Series IV. Oversized Material , 1937-1982 Scope and Contents This series is comprised of a public relations publication, a Koppers calendar, and issues of Fortune and Life (1937,1982) that pertain to Kopppers. In addition, this series also contains prints of the Koppers Building and Heinrich Koppers.
