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" The secondary circuit includes the secondary coil, detector, and the stopping condenser shunting the telephones. The coil is variable only by sections, marked 100, 200, etc., the smaller numbers to be used at the shorter wave lengths and the larger ones... "
Radiotelegraphy, U. S. Signal Corps - Page 109
by Signal Office - 1914
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The Wireless Age, Volume 5

Radio - 1917 - 1082 pages
...by throwing the switch near the binding post marked "G" to the position "In," as shown in Figure 1. For the longer wave lengths the switch is thrown to...condenser, and thus leaving only the coil in circuit. The secondarycircuit includes the secondary coil, detector, and the stopping condenser shunting the telephones....
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Radiotelegraphy: U.S. Signal Corps, 1914

United States. Army. Signal Corps - Telegraph, Wireless - 1914 - 140 pages
...and 15J Open-circuit clips. Turns. 26J and 30 24J and 30 223 and 30 20J and 30 18J and 30 16| and 30 can be varied by single turns from one to the whole...detector, and the stopping condenser shunting the telephones. The coil is variable only by sections, marked 100, 200, etc., the smaller numbers to be...
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Radiotelegraphy

United States. Army. Signal Corps - Telegraph, Wireless - 1915 - 136 pages
...the short-circuiting switch to the position "In," FIELD RADIO PACK SET, MODEL 1914 DIAGRAM Fra. SO. as shown in figure 80. For the longer wave lengths...detector, and the stopping condenser shunting the EADIOTELEGRAPHY. telephones. The coil is variable only by sections, marked 100, 200, etc., the smaller...
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Radiotelegraphy: U.S. Signal Corps

United States. Army. Signal Corps - Telegraph, Wireless - 1917 - 140 pages
...throwing the switch near the binding post marked " G " to the position " In," as shown in figure 79. For the longer wave lengths the switch is thrown to...coil in circuit. The secondary circuit includes the Wavelength. Antenna. Counterpoise. Meters. Turn No. Turn Ifo. 300 26 30 325 24i 30 350 22' 30 375 20...
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Radiotelegraphy: U.S. Signal Corps. : Rev. October 1916

United States. Army. Signal Corps - Telegraph, Wireless - 1917 - 144 pages
...throwing the switch near the binding post marked " G " to the position " In," as shown in figure 79. For the longer wave lengths the switch is thrown to...coil in circuit. The secondary circuit includes the Wave length. Metert. 300 325 350 375 400 425 Antenna. Turn No. 26 24< 22 20 18 16 Counterpoise. Turn...
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Military Signal Corps Manual

United States - 1918 - 596 pages
...by throwing the switch near the binding post marked "G" to the position "In," as shown in Figure 5. For the longer wave lengths the switch is thrown to...detector, and the stopping condenser shunting the telephones. The coil is variable only by sections, marked "100," "200," etc., the smaller numbers to...
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