Public domain
Detroit, Michigan. Assembly of Rolls Royce engines at the Packard motor car company. Adjusting pistons to a cylinder bank
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineDetroit, Michigan. Assembly of Rolls Royce engines at the Packard motor car company. Adjusting pistons to a cylinder bank. 1943-01-01. Siegel, Arthur S.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.