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 203
QLAAAAAyV^ 7?777777777777 Power STRIP JOINED TOINST.Fig. 105. —Universal battery fuse and terminal cap in table case. flexible cord with screw cap at each end is used to jointhe lead to another voltage. One of the caps is sometimesprovided with an ebonite pin to j^revent a fuse being leftin the… … Fig. 1(J6.—Connections of three universal battery S.N. sets. In an earlier installation now being superseded by theaboAe, each instrument table had a distributing case, thepower being supplied by means of test holes and V links,and the 1-ampere fuses were provided in a separate box ateach…
Telegraph
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