Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 360
198. THE PILSEN ELECTKIC LAMP. 339 practical use (Figs. 193,194, 195,196 and 197), in contrast withthe theoretical construction (Fig. 192), is really a simplification,inasmuch as a workman has no adjustment to make, and noscrews to unloose, the electrical and mechanical refinementsbeing specially… … Fig. 199. electrical connections are the same as those in the lamp shownin figures 192 to 197. The small control electro-magnet in thislamp is fitted in the top wooden frame at the right side, and isthere out of the way of harm. The mechanical construction ofthis lamp is much stronger than the…
Electrical engineering
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