Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 23
w it repels them both. The self-repulsionof the parts of an electrified body is beautifully illustratedby the experiment of electrifying a soap-bubble, whichexpands when electrified. 4. Two kinds of Electrification. — Electrifiedbodies do not, however, always repel one another. Thefeather which… … Fig. 5- 6 ELEMENTARY LESSONS ON Ichap. i. feather has been first electrified by touching it with therubbed seolijig-wax, it will be attracted to a rubbed glassrod, though repelled by the rubbed tvax. So, again, arubbed glass rod suspended as in Fig. 3 will be attractedby a rubbed piece of…
Electricity · Magnetism
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