The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 193
other chargedconductors, is oscillatory in character. The direction of the currentsrapidly changes, so that the discharge is really an alternating cur-rent of excessively short total duration. The discharge sendselectro-magnetic waves through the ether, which are exactly anal-ogous to those of… … Fig. 132. Discharger, tongs or bent with a spring-action, so that the balls can be set atdistances adapted to diiferent sized jars. It has an insulating STANDARD ElvECTRICAIv DICTIONARY. 189 handle or a pair of such. In use one ball is brought near to thecoating and the other to the spindle ball of…
Electricity
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