Small Electric Furnace with Heating Element of Ductile Tungsten or

Oct., 1911. 770 construction. The apparatus was instal' i by the. Norton Company. __ - . SMALL ELECTRIC FURNACE WITH HEATING ELEMENT. OF DUCTILE ...
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T H E J O U R N A L OF I N D C S T R I A L A N D E N G I N E E R I N G C H E M I S T R Y .

770

construction. The apparatus was instal' i by the Norton Company.

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SMALL ELECTRIC FURNACE W I T H HEATING ELEMENT OF DUCTILE TUNGSTEN OR DUCTILE MOLYBDENUM.' B Y I