Public domain
Production. Diesel engines. A diesel engine, produced for the Navy at a Midwest manufacturing plant, is prepared for testing under Navy supervision
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineProduction. Diesel engines. A diesel engine, produced for the Navy at a Midwest manufacturing plant, is prepared for testing under Navy supervision. 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.