Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 365
hispurpose is Kelvinswater-dropping col-lector, shown in Fig.223. A is a metal canplaced just inside thewall of a room on theinsulating stand B,and filled with waterwhich is allowed to discharge in a fine stream from the pipeD, projecting some distance beyond the wall. Suppose that the potential of… … FlCx. 223. CAUSE OF ATMOSPHERIC ELECTRIFICATION. 355 that the water escapes in a fine stream breaking into dropsat P. These drops will carry off the negative charge till thepotential of the can has risen to that of the air at P. Themeasurement of this potential is usually effected by a quad-rant…
Physics
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