Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 422
Fig. 40. Heroult Furnace Discharging Molten SteelCourtesy of Societe Electro-M etallurgique Frangaise 376 ELECTROCHEMISTRY 73 vertically through openings in the roof and project down to withinone or two inches of the surface of the bath. They may be watercooled at the points where they pass through… … Fig. 41. Steel Furnace About to Pour Its ChargeCourtesy of The Iron Age the cable connections. Furnaces of a capacity of from 15 to 20 tonshave been used and operated at pressures of from 45 volts to 100volts, depending upon the energy input. A 15-ton furnace requires 377 74 ELECTROCHEMISTRY up to…
Electrical engineering
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