Public domain
Production. Airplane propellers. Ed Dimlow, makes a final inspection of a two-blade airplane propeller in the vertical position. The Hartford, Connecticut, plant that produces these blades supplies them to our air forces in combinations with two, three or four blades, and with hydromatic mechanisms
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Credit lineProduction. Airplane propellers. Ed Dimlow, makes a final inspection of a two-blade airplane propeller in the vertical position. The Hartford, Connecticut, plant that produces these blades supplies 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.