Public domain
Great Falls, Montana. Anaconda Wire and Cable Company. Spiral twisted copper core for manufacture of hollow conductor cable
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineGreat Falls, Montana. Anaconda Wire and Cable Company. Spiral twisted copper core for manufacture of hollow conductor cable. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.