Hamilton Standard aircraft propellers on assembly line, Nash-Kelvinator Corporation

View of Hamilton Standard aircraft propellers on assembly line at the Nash-Kelvinator Corporation. Label on back: "Adaptation of the automotive production line technique to the production of American aircraft and aircraft parts means more bad news for the Axis. Here is a scene in a Midwest propeller factory, where Nash-Kelvinator, former automobile and refrigerator manufacturer, is turning out huge Hamilton Standard propellers for war planes on a mass production basis. Shown are big variable-pitch propeller blades, moving along conveyor lines under progressive-assembly methods reminiscent of high-speed automobile production. Press Bureau, Nash-Kelvinator Corp, Detroit, July 1, 1942. (Approved by U.S. Army for release)." Handwritten on back: "Aircraft propellers."