Public domain
Aluminum casting. Thirty-seven-millimeter armour piercing shot used in anti-tank guns are produced in this giant Midwest factory now converted to war production. Aluminum Industries Inc., Cincinnati, Ohio
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAluminum casting. Thirty-seven-millimeter armour piercing shot used in anti-tank guns are produced in this giant Midwest factory now converted to war production. Aluminum Industries Inc., Cincinnati, . 1942-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.