Public domain
Cowling and controls are assembled on the motor of a B-25 bomber in the engine assembly department
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineCowling and controls are assembled on the motor of a B-25 bomber in the engine assembly department. 1942-01-01. Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.