Public domain
North American Aviation, Inc., Inglewood, California. Hands of a skilled machinist working on a part for a B-25 bomber or P-51 fighter
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineNorth American Aviation, Inc., Inglewood, California. Hands of a skilled machinist working on a part for a B-25 bomber or P-51 fighter. 1942-01-01. Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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