Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 121
he printer is designed to perform. Since there is no charac- Page 2 Section 5 Multiplex System 263-C ter or function selected when all the discs are resting against their back stops the levercorresponding to this position is omitted. The levers that represent letters or charactersare called stop… … Fig. 3 SELECTING MAGNETS
Telegraph
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