Harbison-Walker Refractories Company. A study of the open hearth : an elementary treatise on the open hearth furnace and the manufacture of open hearth steel / by Harbison-Walker Refractories Co., Pittsburg.

Harbison-Walker Refractories Company.

A study of the open hearth : an elementary treatise on the open hearth furnace and the manufacture of open hearth steel / by Harbison-Walker Refractories Co., Pittsburg.

[New York : Chasmar-Winchell Press], 1911.

Open-hearth process.

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