Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 213
be either a hot wire milliammeter or a hot wire wattmeter. The con-denser of the wavemeter should have a chart showing the capacity in microfarads corre-sponding to each position of the pointer on the condenser scale and the hot wire wattmetershould have a range of .01 to .1 watts. To measure the… … Fig. 221—Kolster Decremeter—the Type Used by the Government Radio Inspectors. at the single turn of wire, L-1. The key of the transmitting apparatus is held down con-tinuously and the length of the spark gap adjusted until the note is clear and uniform. Thisis followed by variation of capacity of…
Telegraph, Wireless
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