Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 280
be transmitted at an extremely high speed with a practically non-arcing control. Practically no current is induced in the winding M-2 (the control winding) becauseit includes both legs of the core of winding M-1. It is necessary in this system that theampere turns of windings M-1 and M-2 be… … 1 270 PRACTICAL WIRELESS TELEGRAPHY. For the transmission of speech, a microphone transmitter may be connected in the circuit of B and wireless telephony carried on at large powers. A photograph of a 75 K. W. high frequency alternator of the Alexanderson type appears in Fig. 282. So far,…
Telegraph, Wireless
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