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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 186

An illustration from 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, leaf 186
from the body byany person uninsulated, jars charged, and a variety of amusingexperiments performed, as from the prime conductor of theElectric Machine, of which he has indeed become a part. Tosucceed with this experiment all knives and pointed instru-ments should be removed from about the person… … as seen in the cut, the upper plate connecting with the primeconductor and the lower with the earth. Place between thesesome fancy pith images, and work the machine so as to regu-late the quantity of electricity required; the images will atonce commence a lively dance, passing rapidly between the…

Physics

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