Public domain
Production. Milling machines and machine castings. From one end of a machine tool plant to another one finds parts of all kinds arranged for assembly into finished products. These are bevel gears
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Credit lineProduction. Milling machines and machine castings. From one end of a machine tool plant to another one finds parts of all kinds arranged for assembly into finished products. These are bevel gears. 1942-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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