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 300
rcuit The advantages claimed for the arc method of signalling arefirst its silence, and, secondly, the entire absence of sparking atthe sending key, also the greater compactness of the apparatus andthe lower voltages dealt with. For example, the maximumpotentials which occur at the top of the… … \From The Electrician, Fig. 29. is also aflirmed that atmospheric disturbances are much less feltwhen using the undamped wave apparatus than when using thedamped waves. Furthermore, it is claimed that comparative testsof the arc and spark methods, carried out over ranges of about 900miles, have…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
