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Telegraph engineering : a manual for practicing telegraph engineers and engineering students (1922)

Hausmann, Erich, 1886- · New York : D. Van Nostrand Company · leaf 293

An illustration from Telegraph engineering : a manual for practicing telegraph engineers and engineering students, 1922, leaf 293
aradays Law, one ampereflowing out of a lead sheath into an electrolyte for one hourwould dissolve 3.87 grams of lead. … Fig. II. In order to locate the regions where this rapid corrosionof cable sheaths takes place, tests are made at manholesto determine the potentials of the sheaths with respect tothe adjacent ground, and the amounts of current carriedby them. By thus observing the direction and value ofthe stray…

Telegraph

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