Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 415
ces the lower carbon down tc theextent of its motion, which is very slight, the feed being almostwholly confined to the upper carbon. The electro-magnet B,coiled with fine wire, is the main agent in this operation. Onthe top of this magnet rests a platform having two small stand-ards, K. These… … ■11^) (e G (O) (ellli 1 ■■ Fig. 238 THE GKAMME LAMP. 095 the lever, L, in its right position. At one end of this lever isthe armature, I, at the other end of the lever, L, is the adjustablescrew, M, which presses upon the bent spring, N, fastened tothe frame on the top of the electro-magnet, B.…
Electrical engineering
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