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 244
Fig. 112. Diagram of Car Heater Circuits in the series will not be uniform and the candle power and life ofeach will be difierent. As car lamps are subjected to constant vibra-tion, the filaments cannot be operated at as high a temperature asthose in stationary service. A rather high specific power…
Electrical engineering
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