Public domain
Tank manufacture (Chrysler). This turret casting for an M-3 tank weighs 4,000 pounds. The worker is completing one of the several milling operations necessary to insure perfect fit, for the gun which will fire from behind the turret must have freedom of movement. The tank itself, which might be term
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineTank manufacture (Chrysler). This turret casting for an M-3 tank weighs 4,000 pounds. The worker is completing one of the several milling operations necessary to insure perfect fit, for the gun which . 1940-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.