Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 202
e coil of the wavemeter close to the earthlead of the transmitter although whenmeasuring the fundamental wave length ofthe usual ships aerial, by use of a sensitivecrystal rectifier, the wavemeter can beplaced 200 or 300 feet from the aerial, pro-vided the inductance coil bears the correctinductive… … ^-^<^ Fig. 213—Another Method for exciting Oscillationsin an Antenna by Buzzer. (1) The natural or fundamental wave length of the aerial;(2).The wave length of the closed oscillation circuit;(3) The wave length of the radiated wave. After the open and closed circuits have been coupled, we must…
Telegraph, Wireless
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