Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 418
ine wire electro-magnet, Q, which keeps this distancefixed by disengaging the gear wheels directly the difference ofpotential has exceeded the proper limit. An important detailto be observed is that the armature, Q, as well as the stop aresupported by the arbor of the origin of motion, so that in… … Fig. 239. 398 THE ELECTRIC LIGHT. A screw serves to regulate the distance at lighting, and anotherscrew, which stretches more or less the counterspring of thearmature, Q^, serves to keep this arc at the desired length. In the first case, the cover of the regulator being raiscl, raisesthe upper…
Electrical engineering
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