Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 431
atically starts into action, and continues to burn until it isin turn consumed; in this way the time of burning is doubled^and in order to extend the period of burning, it is only necessaryto employ a lamp with a third pair of carbons, when it will becapable of illuminating for twenty-four hours,… … Fig. 251. ingenuity of wbich is only measurable by its extreme simplicity.This little apparatus will be understood by reference to the ex-planatory diagram, figs. 251 and 252, which also more clearlyillustrate the action of the washer-clutch than the precedingfigure. C C is the hollow solenoid…
Electrical engineering
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