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 118
ohol may beintroduced drop by dropinto the arc chamberand allowed to evapo-rate. This liquid canbe supplied from asight-feed lubricator asshown in Fig. 15, which gives a general view of the Poulsen Arcapparatus. It is found that almost any gas which does notcontain oxygen will exalt the frequency… … [Reproduced frem tin Fig. 15. The ElectricianproprieUyri. hy permission of the UNDAMPED ELECTRIC OSCILLATIONS loi these facts to apply them in the practice of radiotele^raphy, butwe shall return to the consideration of this application in alater chapter. r>. Other Researches on the…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
