Public domain
Subcontracting. Machine gun recoil plate. A slot is milled in a machine gun recoil plate, and the plate itself is cut to length in the machine shop of an Eastern subcontractor. Painesville Machine Company
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSubcontracting. Machine gun recoil plate. A slot is milled in a machine gun recoil plate, and the plate itself is cut to length in the machine shop of an Eastern subcontractor. Painesville Machine Com. 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.