Date: | 1926 |
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Description: | Dr. Stephen Babcock with an electric centrifuge butterfat tester. |
Date: | 1925 |
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Description: | Men gathered around the entrance to a church where a meeting of the State Agricultural Association has been held. |
Date: | |
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Description: | A man in overalls stands in a cornfield looking up at the tall stalks. |
Date: | |
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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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