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 116
lectric arc between a carbon rod as the negativeand a copper rod as the positive terminal, the latter being kept coolby a water circulation within it. The arc was at the same timesurrounded by an atmosphere of hydrogen or a hydrocarbon gas orvapour, and crossed transversely by a strong magnetic… … ^mm.^M^ Fia.13. frequency of which, by a proper selection of capacity andinductance, could be made to be as high as a million or more,and quite within the range of those required for radiotelegraphicwork. Before proceeding to explain the reasons for the increase infrequency obtainable by the above…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
