Public domain
Production. Airplane propellers. Arthur Voss checks angles and makes final dimensional inspections of a propeller blade for an American warplane at the Hartford, Connecticut, plant. This blade will later be mounted with others in a hydromatic mechanism that will permit adjustment of pitch while plan
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Credit lineProduction. Airplane propellers. Arthur Voss checks angles and makes final dimensional inspections of a propeller blade for an American warplane at the Hartford, Connecticut, plant. This blade will la. 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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