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 240
ament and a copper insulated cylinder surrounding it.The electronic emission from the Tungsten is greater than thatfrom carbon, probably because it is a better conductor and can beraised without volatilisation to a much higher temperature thancarbon. The author now uses this Tungsten glow lamp… … R J. X^yyyyy^jdy^^y^^^y^yy^^yyy^^^^y^y FiQ. 23. OSCILLATION DETECTORS 223 contact ou this shuut, R, is couiiecteil through a telephone, T, withone phito of tlio condenser in the oscilhition circuit of the receiv-ing antenna (see Fig. 21), and llie metal cylinder is connected tothe other plate of…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.