Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 276
erence in potential measurements.To find the potential of a body rela-tive to that of the earth, we connectthe outer case of the electroscope tothe earth by means of a wire, andconnect the body to the knob. If theelectroscope is calibrated in volts,its reading gives the P.D. betweenthe body and the… … Fig 237. Electrostaticvoltmeter *If the case is of glass, it should always be made conducting by pastingtin-foil strips on the inside of the jar opposite the leaves and extending thesestrips over the edge of the jar and down on the outside to the conductingsupport on which the electroscope rests.…
Physics
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