Public domain
Production. Airplane propellers. Propeller blades that will soon be driving American warplanes are stored after final dimensional inspections at a Hartford, Connecticut, plant. The various blades will later be mounted, in sets of two, three, and four in the mechanism that will permit adjustment of p
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Credit lineProduction. Airplane propellers. Propeller blades that will soon be driving American warplanes are stored after final dimensional inspections at a Hartford, Connecticut, plant. The various blades will. 1942-01-01. United States. Office Of War Information, Feininger, Andreas. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.