Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 166
denser is thrown inseries with the primary winding. The function of the three other primary switches is to vary the number of turns ofinductance in the aerial circuit. The secondary circuit contains the transformer secondary coil, the inductance of whichis varied by the transformer secondary… … BUZZER PUSH BUTTON CONNECTIONS TO NAVY Vtfl AMT.5K.B.iC^NOTSROVm Fig. 175—Fundamental Diagram Type 101 Receiving Tuner. The transformer secondary is moved in or out of the transformer primary coil bymeans of the handle marked coupling. The capacity of the secondary condenser isvaried by rotation of…
Telegraph, Wireless
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