Elementary treatise on electricity and magnetism : founded on Joubert's "Traité élémentaire d'électricité" (1909)
Foster, G. Carey (George Carey), Porter, Alfred William, 1863-1939, Joubert, Jules François · London : Longmans · leaf 592
of the atmosphere:an estimate of its magnitude at any time can be obtained byobserving the extent to which the apparentresistance of the line is decreased. 457. Submarine and Subterranean Wires.—In lines laid in the ground orunder water, where the surroundingmedium is a conductor, an insulating… … Fig. 854.
Electricity · Magnetism
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