a website collaboration between Science Service and the Smithsonian Institution

1938 - metallurgist making creep-test reading


CD1963015 E&MP19.015

Electric Furnaces

January 1938

Metallurgist making creep-test reading in research laboratory of United States Steel Corporation, Kearny, N.J.

Specially designed creep-test furnaces operate with a minimum of heat loss and have a unique feature of permitting one microscope to be used for a battery of furnaces.

Leverage ratio of fulcrum arm at top is 9 to 1 and weights which produce tension are placed on rod seen at the right of the photo. 

Original Caption by Science Service
United States Steel Corporation

National Museum of American History


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