Public domain
Twenty-millimeter machine guns for planes. Since the days of early American gunsmiths, our arms manufacturers have taken pride in the quality of their work. Today, a skilled worker in a converted auto plant feels that same pride as he bores a machine gun barrel for Air Corps. Oldsmobile, Lansing, Mi
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineTwenty-millimeter machine guns for planes. Since the days of early American gunsmiths, our arms manufacturers have taken pride in the quality of their work. Today, a skilled worker in a converted auto. 1942-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.