A study of wireless telegraphy and wireless telephony (1915)
Eleazarian, Aram Movses · leaf 46
is not obtainable. To reach this goal, Poul-2) sen ; found that by placing the arc in an atmosphere of coal gasor hydrogen he could get much higher frequencies. Moreover, hefarther improved this by employing carbon electrode for the nega-tive terminal and a water cooled copper electrode for the… … 1) U.S.latent, No. 500,630, July 4, 1892. Big, 17.Pou/sens 2) British Patent, No. 15,599, July 14, 1903. Singing-fire.Science -bstracts, Vol.8,po21. Abstract Ko.1620, 1905. 21 1) thus able to get frwquencies of up to a million or more x> cyclesper second, sufficiently high for use in wireless…
Telephone systems · Radio · Telegraph, Wireless · Theses
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