World’s Largest Open Hearth--Molten pig iron is charged into the world’s largest open hearth furnace, a 600 ton per heat giant, at the Weirton Steel Co. Division of National Steel Corp. Weirton’s new furnace began operation on Friday, Dec 21.
Digital Commonwealth — Boston Public Library

World’s Largest Open Hearth--Molten pig iron is charged into the world’s largest open hearth furnace, a 600 ton per heat giant, at the Weirton Steel Co. Division of National Steel Corp. Weirton’s new furnace began operation on Friday, Dec 21.

Associated Press · [ca. December 1956]

CC0 — Public Domain
Digital Commonwealth — Boston Public Library

[Information from item housing] Industry & Manufacturing

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