Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 214
s gauged by the sliding contact, T-1. (A piece of No. 28 Germansilver wire or Therlo wire about IS inches in length will be found satisfactory.) With the pointer of the condenser set at Cr, or resonance, the spark gap is energized andresistance added at R until the reading of the wattmeter falls to… … Fig. 222—Rear View of Kolster Decremeter. one^half the wattmeter reading obtained at Cr, viz., 0.02 watt. Let the capacity of the wave-meter condenser below resonance be represented by Ca and the capacity above resonance by- Then the following formula is applicable: c. o. 5i -4- 62 -I- 63 : X 1.57…
Telegraph, Wireless
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