Modern electricity and magnetism, theoretically and practically considered (1885)
Avery, Elroy M[cKendree], 1844- [from old catalog] · New York and Chicago, Sheldon and company · leaf 41
339. The Electrophorus Charged by Induc-tion.—The cover maybe thus charged anddischarged an indefi-nite number of times,in favorable weather,Avithout a second elec-trifying of the resinousplate. This could nothappen if the electricityof the cover were drawnfrom the plate. More-over, if the charge… … Fig. 137. (a.) If the resin were a good conductor like the metal cover, itsmolecules would all receive + electricity from the cover and give— electricity to it. But as the resin is a poor conductor, only thevery few molecules that come in actual contact with the cover ateach charging have their…
Electricity · Magnetism
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