E.A. Vaupel Testing Ration Biscuits March 1943

In March 1943, E.A. Vaupel conducts a pH activity test on ration biscuits at the U.S. Army Quartermaster Depot in Chicago, Illinois. This image illustrates the scientific research behind wartime food production. The testing of rations ensured that soldiers received nutritious and safe food during World War II, a vital component of military readiness.

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