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 408
central column of coke, between the two terminalcarbon electrodes, and surrounded by the layers of material undertreatment, the whole being enclosed within the retaining walls. Figs. 28 and 29 show a type of resistance furnace in extensiveuse for the heat treatment of metals and for other purposes… … Fig. 29. Hoskins Type FC Electric FurnaceCourtesy of Hoskins Manufacturinfj Company electrodes E. The heat is generated by the passage of the currentfrom plate to plate, and the degree of contact is varied by the adjust-ing wheels at the bottom of the furnace. By this adjustment, andby varying the…
Electrical engineering
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