Public domain
Antiaircraft gun carriage. A casting is machined for the traversing assembly of a thirty-seven millimeter antiaircraft gun carriage. The traversing assembly must be precision-made so that the gunner may follow his swiftly moving target with accuracy. War program production scene in a Pennsylvania he
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAntiaircraft gun carriage. A casting is machined for the traversing assembly of a thirty-seven millimeter antiaircraft gun carriage. The traversing assembly must be precision-made so that the gunner m. 1941-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.