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 496
relittle attention, except that thereis more or less breakage on ac-count of the fragility of the tubes. They do not give the time ofdemand and the previous record is destroyed at each reading. Theyare installed in series with the watt-hour meters and, as they aretwo-wire instruments, a pair of… … Fig. 131 Courtesy of General Electric Company Registering Element of WrightDemand Indicator 452 ELECTRICAL MEASUREMENTS 155 the General Electric Company for use on power circuits; this consistsessentially of a polyphase watt-hour meter with both electrical ele-ments acting on the top disk, and a…
Electrical engineering
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