Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 432
e device of making one pair of jaws a littlehigher than the other, it takes its grip before the other begins toact, and consequently lifts its corresponding carbon higher thanits neighbor ; the consequence is, that only one arc is established,viz., across the lesser distance, and in all subsequent… … Fig. 252. Other by the difference in the height of the two pairs of jaws onthe frame, K. A time arrives, however, when, owing to theshortening of the consuming carbons, they can no longer meetwhen the frame is dropped, and the current by which they areagain separated can only be transmitted by the…
Electrical engineering
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