An elementary manual of radiotelegraphy and radiotelephony for students and operators (1916)
Fleming, J. A. (John Ambrose), Sir, 1849-1945 · London, Longmans, Green & co. · leaf 367
ce of 460 km., or290 miles. In Fig. 13 is shown the apparatus used by him forthis purpose. On the right-hand side of the picture will be seenthe transmitting arrangements, consisting of the copper-carbon RA DID TEL EPHON Y 349 arc in iu box ami the imlucluiue and varialjle cuiulenstii of… … fruui Lyugby to P^sbjerg, a disLauce of 270 km., or 170 miles.The receiver cuntained a thermoelectric oscillation detector. Fesseuden has also described the arrangements and apparatusof the National Signalling Company of the United States, devisedby him for radiotclephonic cummunicatiou between…
Radio · Telegraph, Wireless · Telephone, Wireless
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