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 242
more compact and are used where there islittle space for them. Electric heaters are usually provided With coils of differentresistance and, therefore, with different heating ability. It is thuspossible to graduate the amount of heat produced by means of switchesin the heater circuits. A sample… … Fig. 110. Open-Coil Type of Car Heater Hot-Water. Hot-water heaters are frequently used on largeelectric cars. Hot-water pipes are placed along the sides of the car, 209 Ill ELECTRIC RAILWAYS TABLE IICar Heating Data LengthOF Car Body Amperes Switch Positions1 2 3 Average conditions. Severest…
Electrical engineering
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