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Chicago, Illinois. Subsistence research laboratory of the U.S. Army quartermaster depot. E.A. Vaupel, baking technician and cereal chemist making pH activity test on ration biscuits
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Chicago, Illinois. Subsistence research laboratory of the U.S. Army quartermaster depot. E.A. Vaupel, baking technician and cereal chemist making pH activity test on ration biscuits

Hollem, Howard R. · 1943-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

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safety film negativescook countychicagounited statesillinois
Credit lineChicago, Illinois. Subsistence research laboratory of the U.S. Army quartermaster depot. E.A. Vaupel, baking technician and cereal chemist making pH activity test on ration biscuits. 1943-01-01. Hollem, Howard R.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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