Piute Chieftain | 1916-05-25 | Page 4 | Electric Furnaces

ELECTRIC FURNACES an electric furnace for the abe heat treatment or of steel used in automobile construction has been introduced its method of producing uniform dependable heat that Is so BO urgently sought by automobile manufacturers Is quite novel in electric furnace practice although its principle ia comparable to that of the well knowe 11 ernst lamp both the flo floor orand and the domelike covers of this furnace are of a refractory material which la Is practically a at ordinary temperatures to start the furnace a current la Is passed through a bed of coke laid on its ita floor on bein sufficiently heated the floor becomes a conductor and in turn heats the wall wali and top rendering them until finally the entire furnace b becomes becomes inca incandescent nde scent it Is stated by those who have tried the furnace that its use in the heat beat treatment of automobile parts promises to ie be extensive in the future