Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 216
e buzzer) are shunted by a non-inductive re-sistance of 100 ohms or by a condenser of 1 mfd. capacity. When the buzzer is put in action, a change in the lines of force threading through Ltakes place and the condenser C receives a charge, which afterward discharges through L 1 at a frequency… … xri„ 224 Station Type Wavemeter of the American Marconi Company, Showing Exploring Coil, Thermo- * Couple and Galvanometer. 172. Calibration of the Secondary and Primary Circuits of a ReceivingTuner.—The secondary circuit of a receiving tuner can be calibrated interms of wave length by the method…
Telegraph, Wireless
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