Public domain
Great Falls, Montana. Anaconda Wire and Cable Company. Stranding hollow conductor cable; the several wires in the frame revolve and are laid upon the spiral core, thus forming the 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. Stranding hollow conductor cable; the several wires in the frame revolve and are laid upon the spiral core, thus forming the hollow conductor cab. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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