Credit: Frederick T. Gretton, Historical Society of Western Pennsylvania
The source of the metal used in puddling furnaces was pig iron, a crude iron cast in blocks that was the product of the primary iron-producing unit called the blast furnace.
Image
Men sitting on stack of Pig Iron, ca. 1885
Credit: Frederick T. Gretton, Historical Society of Western Pennsylvania
The source of the metal used in puddling furnaces was pig iron, a crude iron cast in blocks that was the product of the primary iron-producing unit called the blast furnace.
