Public domain
Military drill. Cutting holes on front transom for 16-inch gun barbette carriage in an eastern arsenal
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineMilitary drill. Cutting holes on front transom for 16-inch gun barbette carriage in an eastern arsenal. 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.