Telegraph engineering : a manual for practicing telegraph engineers and engineering students (1922)
Hausmann, Erich, 1886- · New York : D. Van Nostrand Company · leaf 163
-cuits and the other a spare unit. All generator and motor-starting switches and the voltmeters are provided withenclosed fuses on the face of the board. The connections of this power board for motor-generatorswith direct-current motors are shown in Fig. 11. Three160-volt and two 26-volt… … TELEGRAPH OFFICE EQUIPMENT — TRAFFIC 149
Telegraph
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