Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 332
been effected beforehand by means of the counterpoise.In measure as the carbon wastes away, the lateral contactloosens a little, and allows the carbon rod to move upward.In this arrangement, which permits of very light contacts be-tween the rod and the disk, there is never any breaking of thepoint,… … Fig. 165. Fig. 166. should be at once thrown out of the circuit to prevent the ex-tinguishment of the rest. This result is obtained by the samelever which serves to press on the lateral contact. When the rodis no longer resting against the disk, the latter descends, and thelever strikes against a…
Electrical engineering
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