Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 281
he electrification fi-. 174.is developed by friction between two surfaces. §208. Electroscope.—Experiment. Suspend ina loop, tied in a while silk thread, a strip of gold foil 20long and 15 wide, so that the two vertical portions maybe near each other. After John has been struck a fewtimes Willi tlu…
Physics
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