Public domain
Fitting a round peg in a square hole. Heating the cylinder for a large gun preparatory to forging it. Production of these guns for the war program is going ahead at top speed in eleven Navy arsenals throughout the country
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineFitting a round peg in a square hole. Heating the cylinder for a large gun preparatory to forging it. Production of these guns for the war program is going ahead at top speed in eleven Navy arsenals t. 1942-01-01. United States. Office Of War Information, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.