Public domain
Production. B-17F heavy bomber. Tubing bent to specified shapes and ready for installation in B-17F (Flying Fortress) bombers at the Boeing plant at Seattle. The Flying Fortress, a four-engine heavy bomber capable of flying at high altitudes, has performed with great credit in the South Pacific, ove
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineProduction. B-17F heavy bomber. Tubing bent to specified shapes and ready for installation in B-17F (Flying Fortress) bombers at the Boeing plant at Seattle. The Flying Fortress, a four-engine heavy b. 1942-01-01. United States. Office Of War Information, Feininger, Andreas. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.