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 23
Feebly Damped Oscillatioos … TTndampedOsoUlations Fig. 4. high frequency which consists of separate groups of alternatingelectric currents, each group beginning with the same amplitude,but then tailing away or damping down more or less quickly to zero,and after an interval of rest beginning again. Such a current may…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
