FROM MOUNTAIN TO CEMENT SACK Part 2
Description
A detailed account of the manufacture of Portland cement. Limestone is obtained from a quarry and slag from a steel mill. They are mixed and baked. Gypsum is added and the mixture is strained. The cement is tested and sacked.
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
1931-01-01
File
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TRT
3:39
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