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 322
Fig. 52. Partially Dismounted Gould Two-Cell t ur-Lighting UnitCourtesy of Gould Coupler Company 286 … 287 80 STORAGE BATTERIES automatic voltage regulator, Fig. 51, is inserted in the lamp circuit.This de\ice comprises a resistance, consisting of a series of carbonplates the pressure upon which is made to vary inversely with thevoltage of the generating system. A solenoid plunger acting on a
Electrical engineering
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