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C65.791 Miscellaneous Station Circuits -NY Tel IB Jul39
NY Tel Issue B, July 1939.  Contributed by Steve Cichorsky. 
  • Figure 1 - Intercommunicating System ?C? Speaking Tube ~ For Maintenance Only
  • Figure 2 - Combination Telephone and Telautograph Circuit
  • Figure 3 - Private Line Monitor - Private Line Equipment Box
  • Figure 4 - Station Register Connections - Manual Individual Line Stations

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