Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 99
hat is, S mustbe on the left-hand side of the apparatus. 84 EASY ELECTRICAL EXPERIMENTS. CHAP. XXIV-HOW TO MAKE AN ELECTROPHORUS. Experiments with static or frictional electricity are alwaysinteresting and instructive. Whenever a substance like seal-ing-wax or resin or hard rubber is rubbed with a… … The Electrophorus.of pith. The fur, or flannel, also becomes electrified, as every-one knows who is familiar with the effects produced by strokinga cat in the dark. The instrument to be described in this chapter depends uponeffects produced in the manner just indicated. By means ofit, sparks from a…
Electric apparatus and appliances · Electricity
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