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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 97

An illustration from 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, leaf 97
T^rTith.and Ty^jyth, can be placedin parallel Avith thecircuit of the coils bythe insertion of a brasspeg, and by this meanscomparatively heavycurrents (ranging upto 800 m.a.) can bemeasured with fairaccuracy. The readings on thetangent galvanometerare not proportional tothe angle of deflectionin… … P.O. form if t in^ont s^lvaiiometpi.

Telegraph

Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.

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