A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 470
w, that a certain character of sparkis obtained at the terminals B, that is, a cei-tain velocity of electrical pulsations is obtainedwhich depends on the nature of the spark ; sup-pose, moreover, that the dimensions of the sparkmicrometer or electric resonator are such that thegreatest length of… … Fig. 4Q2. ElectricalResonance. as shown in Fig. 493, in which one of the sec-ondary terminals of the induction coil has con-nected with it a copper wire i g h. The sparks atM, decrease considerably. When, however, theconductor C, is connected with the free end H,of this additional conductor, then…
Electricity · Electrical engineering
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