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Photograph

Analyzing Composition of Cement

Date: 09 20 1956
Description: Katharine Mather of the Corps of Engineers Waterways Experiment Station checks a computer analysis of the composition of cement.
Photograph

Paula Uihlein

Date: 03 26 1962
Description: A woman in the foreground on the right is speaking to a man and another woman; the top of an opened bottle of champagne is between the group. Caption reads...
Photograph

Elmer Hunholz Rebuilds Player Piano

Date: 06 12 1959
Description: A man is using a screwdriver on a machine part of a player piano. Caption reads: "Rebuilding old player pianos keeps Elmer K. Hunholz busy now that the foo...

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