Woman worker with cores for molds, Chevrolet Division foundry

Close-up view of a woman worker shelving trays of cores for molds used to cast aircraft engine parts at the Chevrolet Division foundry. Label on back: "Like fancy pastries produced by a baker who is a master of his art, these cores form molds into which magnesium is poured to cast aircraft engine parts, are ready for the oven at the magnesium foundry of the Chevrolet Motor Division of General Motors. 'Sculptured' of special core sand, these units are hardened, then alligned [sic] inside the molds to create the forms for the casting of intricate aircraft engine parts from molten magnesium." Stamped on back: "General Motors Photographic." Handwritten on back: "Women workers."