Public domain
A smoothy enlists. Polished interior surface of a big gun for Uncle Sam's war program. The bore diameter of hoop is measured in the large eastern arsenal where the work is carried on
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineA smoothy enlists. Polished interior surface of a big gun for Uncle Sam's war program. The bore diameter of hoop is measured in the large eastern arsenal where the work is carried on. 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.
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