Check out a new beta version of this site

Multiplate bullet-proof glass in autoclave

ca. 1940

View this item

Multiplate bullet-proof glass in autoclave
  • Title
  • Multiplate bullet-proof glass in autoclave
  • Creator
  • PPG Industries
  • Date
  • ca. 1940
  • Identifier
  • 20170227-hpichswp-0020
  • Description
  • Employee of Pittsburgh Plate Glass Company observing Multiplate bullet-proof glass in an autoclave. Multiplate glass is produced by fusing two plates between a plastic interlayer. This "glass sandwich" is fused by the autoclave, which functions like a pressure cooker. In the autoclave, the glass is placed in a vacuum bag and then immersed in oil under pressure.
  • Type
  • still image
  • Genre
  • photographs
  • Subject
  • PPG Industries.
    Glass manufacture.
  • Source
  • PPG Industries Records, 1888-1995, MSS 667, Detre Library and Archives, Senator John Heinz History Center
  • Contributor
  • Detre Library & Archives, Heinz History Center
  • Collection
  • PPG Industries Records
  • Rights Information
  • Copyright Not Evaluated. The copyright and related rights status of this Item has not been evaluated. Please refer to the organization that has made the Item available for more information. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use.
    http://rightsstatements.org/vocab/CNE/1.0/