Public domain
Production. Pratt and Whitney airplane engines. Cylinder barrels for Pratt and Whitney airplane engines are inspected and etched in a large Eastern plant producing a steady flow of power plants for the planes that will help bring us victory. Pratt and Whitney Aircraft
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Credit lineProduction. Pratt and Whitney airplane engines. Cylinder barrels for Pratt and Whitney airplane engines are inspected and etched in a large Eastern plant producing a steady flow of power plants for th. 1942-01-01. United States. Office Of War Information, Feininger, Andreas. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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