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 200
-ami)ere value, 5-ampcrcon the main cabinet in theinstrument room, and 1-ampere on the table distributingcase. The general arrangement is shown in Fig. li)2.As an additional protection, resistances are placed at eachinstrument in the main ])attery leads of the value of 2^ pervolt of the power used,… … BATrtRY Sw. Cabinet 25 a- -X- fuses, 25a. 162.—General distrilmtion ofpower and fuses. 190 ELEMENTARY TELEGRAPHY Fig. 103.—Main battery cabinet in in.struuient rooiu. TELEGRAPH SYSTEMS 191 in the iiistrumeut room (shown in Fig. lOS), which showsfour groups of six combined fuse-holders and test…
Telegraph
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