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 290
ge Irom a condensercan pass between these surfaces. Hence he has devised forms ofhigh speed rotating discharger made as follows:— In one form there are a pair of metal discs, C, C (see Fig. 21),which are caused to rotate rapidly by electric motors or othermeans. Between these, and insulated from… … Fig. 21.—Marconi High-speed Disc Discharger. through inductances, L, L, with the discs C, C. The middle pointof the condensers is connected to another condenser, E, and thisthrough one coil of the jigger F with disc A. If a key in thedynamo circuit is closed, it charges the condensers, K, and…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-543-360.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-149-51.webp)
