Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 567
he description of the details of this system, it will beunnecessary to go into particulars regarding the dynamo andmotive power. Almost any dynamo will answer the pur-pose. Usually the dynamos of arc light stations are em-ployed during the day in charging the batteries, thus per-mitting of the… … Storage Battery and Stand. ELECTRIC LIGHTINi;. 545 shown in Fig. 527. This battery is composed of a numberof cells mounted upon an insulated wooden stand, and con-nected up in series. Each cell has an E. M. F. of two volts,and as many cells are connected in series as may be neededto secure the…
Physics · Lantern projection · Electric apparatus and appliances
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