The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)
Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 289
it, so, on the contrary, a magnetized bar sets in motiona current of electricity in such a ware surrounding it. Thismay be shown, by introducing one of the poles of a powerfulbar magnet within a helix of fine insulated wire, the ends ofwhich are connected with a delicate galvanometer. The flowof an… … 258. The Magneto-Electric Machine, Fig. 227, is a con- What is Magneto-Electricity ? How is this form of electricity produced ?Describe the Magneto-Electric Machine. 284 MAGNETO-ELECTRICITY. venient arrangement for developing electricity by the reactionof a magnet. A bar armature, G, of soft iron,…
Physics
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