Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 210
crucible. Elec-trodes of hard carbon and connections. 747. OPEN TOP ELECTRICFURNACE.—A cavity in a box of re-fractory material with holes on eachside through which the insulated car-bon electrodes are inserted. 748. SIEMENS ELECTRIC GASFURNACE.—Gas enters thecrucible through a hollowcarbon…
Mechanical movements
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