Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 248
Page 15 Section 5-C Multiplex System 263-C … Page 16 Section 5-C Multiplex System 263-C rests on the shift roller which runs on the shift rail. Normally the vertical leg of theshift operating arm rests against the rear stop screw. The location of this screw de-termines the normal (lower case) position of the carriage. As the shift plunger is…
Telegraph
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