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 257
EflFect of submitting the conducting wire to the action of both poles of amagnet ? Explain Fig. 201. Why does the wire continue to -vibrate? SPUR-WHEEL. 251 … ExperiTtient a. — A more interesting form of the last exper-iment may be shown by theRevolving Spur- Wheel,Fig. 202, where the vi-bratory movement is con-verted into one of rotation.Instead of a wire, as in theprevious experiment, aspur wheel is so suspendedbetween the poles of amagnet, or…
Physics
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