Public domain
Production. Airplane propellers. Arthur Voss performs final blade balancing tests on a Hamilton airplane propeller at a Hartford, Connecticut, plant. This propeller, which will help to power one of our new warplanes, must be balanced and adjusted to the utmost detail to fit it for the important duty
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Credit lineProduction. Airplane propellers. Arthur Voss performs final blade balancing tests on a Hamilton airplane propeller at a Hartford, Connecticut, plant. This propeller, which will help to power one of ou. 1942-01-01. United States. Office Of War Information, Feininger, Andreas. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.