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" The-- telephones are'm shunt to the stopping condenser. The detector supplied is of the iron pyrites variety, which lacks the sensitiveness of the Perikon. Any other detector may easily be substituted for the detectors supplied with the set, the range... "
Radiotelegraphy: U.S. Signal Corps, 1914 - Page 98
by United States. Army. Signal Corps - 1914 - 122 pages
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The Wireless Age, Volume 5

Radio - 1917 - 1082 pages
...Generator circuits The detector supplied is of the iron pyrites variety, which lacks the sensitiveness of the Perikon. Any other detector may easily be substituted...when using a small number of degrees of the variable condenser and as large primary as possible, and, vice versa, with the switch to "Short waves," which...
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Radiotelegraphy, U. S. Signal Corps

Signal Office - 1914 - 144 pages
...12 20 50 80 120 4 10 60 90 105 130 5 6.9 6.95 7 7.05 7.1 7.15 7.25 6.S 6.6 6.4 6.2 RADIOTELEGRAPHY. primary of the condenser, receiving transformer, and...of degrees of the variable Variable Condenser (O) (O) Telephone Connections for Receiving FIG. 79. condenser and as large primary as possible, and, vice...
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Radiotelegraphy: U.S. Signal Corps. : Rev. October 1916

United States. Army. Signal Corps - Telegraph, Wireless - 1917 - 144 pages
...stopping condenser. The detector supplied is of the iron pyrites variety, which lacks the sensitiveness of the Perikon. Any other detector may easily be substituted...when using a small number of degrees of the variable condenser and as large primary as possible, and, vice versa, with the switch to " Short waves," which...
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Military Signal Corps Manual

United States - 1918 - 596 pages
...stopping condenser. The detector supplied is of the iron pyrites variety, which lacks the sensitiveness of the Perikon. Any other detector may easily be substituted...when using a small number of degrees of the variable condenser and as large primary as possible, and, vice versa, with the switch "Short waves," which places...
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