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 354
r electrodes by a screw which is hand regulated, that is tosay, an assistant keeps the current through the arc constant bywatching an ammeter in series with it and adjusting the screw.The arc is formed in a powerful transverse magnetic field, and thecarbon is made to rotate slowly by means of… … [iJepj-oduced ty permission of the Amalgamated Eadiotelejiaphic Co.Fig. 5. variable capacity consisting of metal plates in oil. The form ofcondenser preferred is one in which there are a number of semi-circular plates fixed one a.bove the other in a tall cylinder of highlyinsulating oil (see Fig.…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
