Public domain
Production. Airplane manufacture, general. A partial view of one of the overhead conveyor lines at North American Aviation's plant at Inglewood, California. This plant produces the battle-tested B-25 ("Billy Mitchell") bomber, used in General Doolittle's raid on Tokyo, and the P-51 ("Mustang") fight
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineProduction. Airplane manufacture, general. A partial view of one of the overhead conveyor lines at North American Aviation's plant at Inglewood, California. This plant produces the battle-tested B-25 . 1942-01-01. Palmer, Alfred T., United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.