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 124
- Fiii. 0-.. Inrjuala K If each coudeiiser is charged to ct[ual dilferenccs of potential Ijy using the same battery, then thedefleetions of the needle will depend upon their relativecapacities. With a condenser connected as in Fig. 92,when the key is depressed there occurs a rush of current … into the condenser to satisfy its capatity ; Inil all How nfcurient ceases when the full difterenco of potential has beenattained, and when the key is raiseil the condenser willIcmain cliargcd. If the battery, the cojidenser, and a ballis-tic galvanometer be placed in the circuit (Fig. 9-a)…
Telegraph
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