Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 512
Fig. 297. More recently, ^Mr. Weston devised a new form of regulat-ing apparatus, in which the feeding of the carbons is controlledby a brake-wheel, to the axis of which the upper carbon THE WESTON ARC LAMP. 491 carrier is attached either by a cord and pulley, or by arack and pinion movement, so… … Fig. 298. in figures 297 and 298. The axis w^ of the brake-wheel W,is mounted upon a swinging horizontal lever, M, one end ofwhich is pivoted to a fixed support m, and the other end is 492 THE rXECTRIC LICxHT. linked to a horizontal oscillating lever K. The hollow hel-ices or solenoids F and B, of…
Electrical engineering
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