Public domain
Production. B-17F heavy bomber. Kirksite dies for the forming of parts for new B-17F (Flying Fortress) bombers are finished in a hydraulic press at the Boeing plant in Seattle. The Flying Fortress, a four-engine heavy bomber capable of flying at high altitudes, has performed with great credit in the
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Credit lineProduction. B-17F heavy bomber. Kirksite dies for the forming of parts for new B-17F (Flying Fortress) bombers are finished in a hydraulic press at the Boeing plant in Seattle. The Flying Fortress, a . 1942-01-01. United States. Office Of War Information, Feininger, Andreas. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.