Public domain
Detroit, Michigan. Assembly of Rolls Royce engines at the Packard motor car company. Driving cylinder hold down studs into the upper crankcase
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. Driving cylinder hold down studs into the upper crankcase. 1943-01-01. Siegel, Arthur S.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.