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 325
e or less answer therequirements just outlined. Immersion Coil. One type ofwater heater, consisting of coils tobe immersed in the water, is shownin Fig. 39—a very efficient type, asit has been already shown that thereare practically no heat losses withthis arrangement. It is made inseveral sizes… … Fig. 38. Eiectrotheim Cap
Electrical engineering
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