Elementary telegraphy : a manual for students; written specially to meet the requirements of the ordinary grade of the subject as published in the syllabus of the city and guilds of London Institute (1910)
Pendry, H. W. (Henry Walter) · London ; New York : Whittaker & Co. · leaf 191
the out station a3-terminal SAvitch suffices, and when mo\ed into theBimplex position it transfers the earth connection from N 2 180 ELEMENTARY TELEGRAPHY the relay to the front stojD of the key. Tlie relay is thenjoined into the condenser, the other terminal of which isconnectetl to earth through… … Fid. \bi.—Connection of Vjle and Smarts C.B. dnplex and simplex. for that purpose. The details of these changes can beperhaps better understood with the following theoreticaldiagram of the simplex conditions (Fig. 154). At the outstation with the relay adjusted neutrally it follows themovements of…
Telegraph
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