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 126
steel rods. Each of these carries at io8 RADIOTELEGRAPHY its lower end a coppea* cylinder open at tlie bottom and closed atthe top except for a few small holes. The lid also carries asliding tube, at the bottom of which is fixed a plate. This platehas fixed to it certain insulated holders, in each… … Fig. 19.—Section of Fleming arc generator of undampedoscillations. make the copper extinguisher just rest on the carbon. Then, bymeans of a screw, the bottom plate can be lowered and make aspace of equal length between the tops of all the carbons and theunder side of the tops of all the copper…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
