Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 419
yextinguish any arc is not known ; it seems, however, pro-bable that on the first passage of the current zinc isburned and the zinc oxide volatilized, thus forming aninsulating atmosphere which prevents the further flow ofcurrent. For continuous current lines Professor ElihuThomson has devised the… … L to E and thus to earth, and if the power currentattempts to follow, the arc thus established is blownupwards by the poles of the electro-magnet M. The arcis thus transferred to the upper region of the terminals,L E, where the distance is greater and the metal not yetheated, with the result that…
Electric power production
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