Tunzelmann, George William von, 1856- · New York, Scribner & Welford · leaf 257
236 ELECTRICITY IN MODERN LIFE.Motor Company, for the purpose of carrying ore from a mine … on a mountain side to a railway at the base. The road, or ELECTRO-MOTORS AND THEIR USES. 237 overhead track, consists of two stationary steel cables,suspended one above the other, between posts of wood ormetal, fifty feet or more apart, and at such a height fromthe ground as not to interfere with…
Electric industries · Electricity
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