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 218
inside, as shown in the cut,and bring the chain, connected with the metallic surface onwhich the canister rests, to the outside of a charged jar;break the connection of the rod a trifle, and bring the knob ofthe jar near the ball or point. The fluid, instead of passingas before, will be diverted… … * The parts of this miniature house are held together by magnets. One sideof the roof may be removed for arranging the apparatus within. The canis-ter, if tight, may be filled and adjusted before the lecture ; in such case, theorder of these experiments must be reversed. Powder may be substituted,…
Physics
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