The practical telephone handbook and guide to the telephonic exchange (1906)
Poole, Joseph · New York, Macmillan Co. · leaf 566
INDUCTANCE … Fig. 489.—Transmitting Station, Fessendens Wireless Telephony 15 amps, continuously, so that considerable energy (at the rateof I H.P.) may be transmitted for hours at a time. The Majorana Hydraulic Transmitter.—This is a form oftransmitter which has been used with considerable success inconnection…
Telephone
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