Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 368
ontinued until the attractive force ofthe coil balances the resistance of the spring barrel, and thus avoltaic arc is produced. Of course the length of the arc dependsupon the tension of the spring in the barrel, and this can beregulated by a screw. So long as the arc remains under thesame… … Fig. 203. tro-magnetic action, and the carbons are brought nearer togetheruntil a condition of equilibrium is again attained, and the samething goes on until the carbons are entirely consumed. 348 THE ELECTRIC LIGHT. The small mechanism fitted to the wheels of tlie racks allowsthe luminous point to…
Electrical engineering
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