Public domain
Women in defense. This Middlewestern plant has converted not only its machinery but also its skilled labor force from the peacetime production of electric fans and motors to the war production of twenty-millimeter shell boosters. Here a veteran employee of the plant's experimental division teaches a
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Credit lineWomen in defense. This Middlewestern plant has converted not only its machinery but also its skilled labor force from the peacetime production of electric fans and motors to the war production of twen. 1942-01-01. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.