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 221
onsidered at one time to be due to the power of electricoscillations passing through the coil surrounding magnetised ironto annul the hysteresis of the iron. A reduction in magnetichysteresis does not, however, invariably accompany the action ofelectric oscillations on iron or steel. Walter and… … FiQ. 7. 2C4 RADIOTELEGRAPHY detector based on this fact as follows: An electromagnet rotatesround a vertical axis so as to produce a revolving magnetic field(see Fig. 8). In the centre of that field is suspended a closed coilof hard drawn insulated steel wire suspended by an elastic wire.When the…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
