SAFETY GLASS Part 3
Description
Reel 1, sand rock and silica sand are quarried, dried, and shipped to a glass plant, where they are melted and made into sheets of glass. Reel 2, cellulose acetate is placed between sheets of glass and, after various processes, safety glass for automobile windows is produced.
Read moreCollection
Records of the U.S. Bureau of Mines
Series
Public Information Films and Video Recordings
NARA ID
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Local ID
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Date
1938-01-01
File
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TRT
3:28