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Photograph

George Trayer with Plywood Panel

Date: 06 23 1933
Description: U.S. Forest Products engineer, George W. Trayer, in the laboratory with a plywood panel, newly developed to provide strength and durability in construction...
Photograph

Toledo Scale

Date: 07 30 1929
Description: A man reads a Toledo scale at the University of Wisconsin engineering building.
Photograph

Scales

Date: 07 30 1929
Description: A man reading a scale at the University of Wisconsin engineering building.
Photograph

Moisture Controller

Date: 12 20 1943
Description: Research engineer A.B. Welty stands next to the moisture controlling device at International Harvester Company's farm machinery engineering department. The...
Photograph

Research Engineer Carl Mott

Date: 1944
Description: The original photograph caption reads: "Carl Mott, research engineer in International Harvester Company's farm engineering machinery department in Chicago,...

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