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Photograph

Dr. Babcock with Butterfat Tester

Date: 1926
Description: Dr. Stephen Babcock with an electric centrifuge butterfat tester.
Photograph

Unidentified Union Soldier

Date: 
Description: Oval framed, waist-up portrait of an unidentified Union soldier.
Photograph

Dr. S.M. Babcock and Tester

Date: 
Description: Interior full-length portrait of Dr. S.M Babcock and his tester for the separation of milk fat, which is a hand-cranked dairy centrifuge.

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