Public domain
General view of engine assembly line, Packard plant, Detroit, Michigan. Man in foreground is checking tension on connecting rod bolt nuts. The men at the bench behind him are assembling the crankshaft and connecting rod assembly, and installing them in the engine. Packard marine engine plant
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineGeneral view of engine assembly line, Packard plant, Detroit, Michigan. Man in foreground is checking tension on connecting rod bolt nuts. The men at the bench behind him are assembling the crankshaft. 1941-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.