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Photograph

Methylene Blue Milk Test

Date: 1928
Description: Dairyman conducting Methylene blue test on a can of milk. Notice in background reads: "For all milk which passes the quality requirements of this factory, ...
Photograph

Hog Butchering

Date: 1921
Description: Man butchering a hog, which is hanging on a meat hook.
Photograph

Man Dressing Butchered Pigs

Date: 
Description: Man in boots and a hard hat dresses butchered pigs on meat hooks.
Photograph

Nutrition Lab

Date: 1931
Description: Two students work in the nutrition lab at the University of Wisconsin-Madison.

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