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 201
the balls of the sliding-rods; connect one of the rods with the outside coating of acharged jar by a chain, and on the other place one ball of thedischarger. Fig. 165, and bring the other ball quickly to theknob of the jar ; the passage of the electricity through thecotton will cause it to be… … How do the light and heat produced by electricity vary ? Give the experi-ment for inflaming cotton by electricity. What is the experiment with gun-powder ? 196 ELECTRIC BOMB. Fig. 166. iment, so as to bring the points within a half an inch of eachother, while resting on the glass stand. Pour some…
Physics
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