Public domain
Production. Pratt and Whitney airplane engines. Single-row power cases for Pratt and Whitney airplane engines are stored for further machining in a large Eastern factory from which comes a steady flow of power plants for our mighty warships of the air. Pratt and Whitney Aircraft
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Credit lineProduction. Pratt and Whitney airplane engines. Single-row power cases for Pratt and Whitney airplane engines are stored for further machining in a large Eastern factory from which comes a steady flow. 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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Production. Pratt and Whitney airplane engines. America's air power grows as our mighty industrial machine goes into high. Nose sections for single-rod crank cases to be used in Pratt and Whitney engines are piled up for later machining and assembly in a large Eastern plant. Pratt and Whitney Aircra
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Production. Pratt and Whitney airplane engines. Power section crank cases for Pratt and Whitney airplane engines undergo a careful inspection in a large Eastern plant before assembly into engines that will carry our fighting airmen to victory. Pratt and Whitney Aircraft