Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 23
atter will be neither attracted norrepelled. Also if the charges of both the glass and silk areimparted to a tliird body, the third body will have no resultantcharge, smce the two quantities of electricity being equal and ofopposite sign, neutralize each other. Whethir a body receives a positive or… … Fig. 7. 17 10 ELEMENTS OF ELECTKICITY. following list the aiTangement Ls such that each substance, whenrubbed by one following it, will be positively electrified, but whenrubbed by one preceding it, will be negatively electrified: Fur.wool, ivory, glass, silk, wood, metals, sealing-wax, sulphur,…
Electrical engineering
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