Telegraph engineering : a manual for practicing telegraph engineers and engineering students (1922)
Hausmann, Erich, 1886- · New York : D. Van Nostrand Company · leaf 145
^ m k5-^ m … Fig. 17. character determines the relay or group of relays that willbe operated in the selection of the particular printer mag-net. In the transmission of letter R the third and fourthrelays are operated, causing their armatures to move to- AUTOMATIC AND PRINTING TELEGRAPHY 131 ward the right. This…
Telegraph
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