Public domain
Painting the cylinders of aircraft motors at the Pratt and Whitney Plane. East Hartford, Connecticut
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit linePainting the cylinders of aircraft motors at the Pratt and Whitney Plane. East Hartford, Connecticut. 1940-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.