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 227
ng the turns in the winding the sensibilitywas considerably increased. The usualspeed employed is about five to eight revolutions per second. Higher speeds have been tried, and givea larger eflect, but the zero is not so steady. Telephonic signalscan, of course, be received simultaneously by… … [Reproduced from The KUc-trician l>y permiuion u/the ProprUlori. Fig. 10. 2IO RADIOTELEGRAPHY balance, and a small initial current, insufficient to actuate therelay, passes all the time through it. The change can be rapidly-effected by a very slight shift of the brushes. 5. Thermal and…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
