Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 502
Fig. 289. THE WESTON AEC LAMP. 481 Referring to the figures, D D represents the exterior of thecylindrical coils of the electro-magnet, which is mounted uponthe frame A in such a position that the centre of its upper pole,which, for convenient explanation, we will assume to be the … Fig. 290. Fig. 291. north pole, is situated in the same vertical plane with the axisof the south pole directly beneath it. The armature D is of rectangular cross-section, its breadthbeing the same, or nearly the same, as the diameter of the polesof the electro-magnet, while its length is equal to…
Electrical engineering
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