ssociation, which consisted in amechanical arrangement to produce effects of the same char-acter as those of the water-dropping system, described several tdri Potential-Equalizer. [xxiii. years ago at the Eoyal Institution* The instrument is repre-sented in the annexed sketch (iig. 3). AT and AT^… … the electrometer—or one of them with the insulated part of theelectrometer, and the other with the metal enclosing the case,when there is only one insulated electrode. One application isto test the pyro-electricity of crystals; thus a crystal of tour-maline, PN, by means of a metal arm holding its…
Electricity · Magnetism
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