Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 181
moveableportion/of the one plate andthe portion opposite to thisof the other fixed plate. Themoveable portion f is at theend of a light lever whosefulcrum, or axis of suspension,is a wire m n. At the freeend of this lever is a hair /;this is viewed by a lens, andserves to indicate when theplate/is… … CH. X. ELECTROSTATIC FOTENTIAL 15: § ;^^. Sir William Thomsons Quadrant Electrometer.—The principle of the quadrant electrometer can be illustrated by theBohnenbergers electroscope. If the gold-leaf were kept at a constant high potential, whilethe difference of potential between the two knobs was…
Electricity
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