Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 288
5 .:BALANCING GROUNP 400 - ♦ T3 UNDULATOR MOTOR 10 « - UNEaATTERT 563 -+ » lOVOLT 5-W.TUHG5TENt QRtVING FOR* i5D0M^ ♦ T07SYN.UNIT 50 »-LINE 6ATTERY iC-\£IIT3-v*JCN65TEN ♦ • ■• 365 OHM ♦ RtTuRNOFLOCAL50l/NDERIOOO - SWITCHESA CONDENSER GROUND.BUNE. C LNE BATTERY AND GROUND.D SOUNDER SWITCH.F… … Page 7 Section 7 Multiplex System 263-C transmitters are idle. The only difference in wiring necessary between the two sets oftables to take care of this arrangement is in the location of the local battery potentialsshown in Figure 8. 8. All multiplex units used on the operating tables are…
Telegraph
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