Public domain
Production. Pratt and Whitney airplane engines. Cylinders are installed on power section assemblies of a new Pratt and Whitney airplane engine produced in a large Eastern plant now engaged exclusively in supplying the planes of our air forces with excellent American power installations. Pratt and Wh
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Credit lineProduction. Pratt and Whitney airplane engines. Cylinders are installed on power section assemblies of a new Pratt and Whitney airplane engine produced in a large Eastern plant now engaged exclusively. 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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