Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 26
an E. M. F.of 4 to 8 volts. The electric lighting wires of homes generally carry current at pressure of110 volts, either direct or alternating current. Transmission lines for carrying largeamounts of power over great distances may have voltages as high as 200,000 volts, but thestrength of the… … Fig. 10a—Combined Gasoline Engine, Generator and Disc Discharger for Portable Wireless Stations. Note:—The physical standard for the ohm has been noted. The standard for thestrength of current is an arbitrary one. It is found that if a silver and a platinum electrodeare dipped in a neutral solution…
Telegraph, Wireless
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