Public domain
Steel manufacture, Allegheny-Ludlum. This slab of stainless steel is being rolled by a three-high 100 inch plate mill to bring it to the proper length, finish, thickness and width
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSteel manufacture, Allegheny-Ludlum. This slab of stainless steel is being rolled by a three-high 100 inch plate mill to bring it to the proper length, finish, thickness and width. 1940-01-01. United States. Office Of War Information, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.