Public domain
Denver, Colorado. Interior of a once-abandoned railroad machine shop, now producing fabricated steel parts for the hulls of escort vessels, showing an overhead crane which once lifted switch engine boilers and old box car axles, now moving a heavy steel plate which will become the sturdy belly of a
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineDenver, Colorado. Interior of a once-abandoned railroad machine shop, now producing fabricated steel parts for the hulls of escort vessels, showing an overhead crane which once lifted switch engine bo. 1942-01-01. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.