Public domain
Chicago, Illinois. Parts that have either broken or failed in service brought to the testing laboratory of the Chicago and Northwestern Railroad
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineChicago, Illinois. Parts that have either broken or failed in service brought to the testing laboratory of the Chicago and Northwestern Railroad. 1942-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.