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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

WD-40 Bull Gear on Assembly Line

Date: 11 04 1937
Description: Factory worker assembles bull gear for a WD-40 tractor on an assembly line at Milwaukee Works. Photograph taken by Don Jones.
Photograph

Diesel Engine Cylinder Hardness Demonstration

Date: 11 04 1937
Description: An employee using a file to demonstrate the hardness of a diesel engine cylinder at Milwaukee Works (factory). Photograph taken by Don Jones.
Photograph

"Milwaukee Journal" Tour Group

Date: 12 08 1931
Description: Slightly elevated view of a group of Oconomowoc High School students on a tour at the "Milwaukee Journal." They are viewing the newspaper's presses in oper...
Photograph

Audichron

Date: 03 02 1954
Description: Stanley E. Bennett, a First Wisconsin National Bank cashier, listens to the handset while John T. Frymark, a Wisconsin Telephone Company central office for...

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