 The antenna wires are generally stranded, thus giving somewhat greater strength than a solid wire of the same weight. For permanent stations a phosphor-bronze or silicon-bronze wire is generally used consisting of seven strands of either No. 20 or No....  Radiotelegraphy: U.S. Signal Corps, 1914 - Page 49by United States. Army. Signal Corps - 1914 - 122 pagesFull view - About this book
 | Signal Office - 1914 - 144 pages
...the river near the station a symmetrical arrangement is practically impossible. 48 RADIOTELEGRAPHY. The antenna wires are generally stranded, thus giving...falls below 2 ohms on a ship set and may be as high FIG. 43. as 20 or 30 ohms in a shore station. When the antenna resistance is measured under service... | |
 | United States. Army. Signal Corps - Telegraph, Wireless - 1917 - 144 pages
...insulators of electrose or porcelain are usually furnished for use at these points of the circuit. The antenna wires are generally stranded, thus giving...theory and .proven by experiment that the radiation FIG. 42. of electromagnetic waves introduces a resistance, sometimes called the radiation resistance,... | |
 | United States - 1918 - 596 pages
...stranded around a hempcord center. A very low resistance in the antenna wires is not as nesessary.as it might seem to be, as it has been shown by theory...falls below 2 ohms on a ship set and may be as high as 20 or 30 ohms in a shore station. When the antenna resistance is measured under service conditions... | |
 | Air conditioning - 1922 - 366 pages
...temperatures, this may be several times the above amount. When air is cooled solely by evaporation of moisture, it has been shown by theory and proven by experiment that the wet bulb temperature does not change appreciably. Conversely, any change in the wet bulb temperature... | |
 | American Society of Heating and Ventilating Engineers - Air conditioning - 1918 - 922 pages
...temperatures, this may be several times the above amount. When air is cooled solely by evaporation of moisture, it has been shown by theory and proven by experiment that the wet bulb temperature does not change appreciably. Conversely, any change in the wet bulb temperature... | |
 | American Society of Heating and Ventilating Engineers - Air conditioning - 1919 - 462 pages
...temperatures, this may be several times the above amount. When air is cooled solely by evaporation of moisture, it has been shown by theory and proven by experiment that the wet bulb temperature does not change appreciably. Conversely, any change in the wet bulb temperature... | |
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