Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 297
s.This operation is repeated every time the correcting impulse drifts far enough to reachcorrecting segment 20a, thus maintaining the phase and speed relationship of the twodistributors. If the correction impulse happens to fall on the A or B channel receivingsegments immediately after we have… … + - LINE BAT. xr CD (TU PTJ TRANSMITTERSFig. 10 LOCAL BATTERY Page 15 Section 7 Multiplex System 263-C This operates the corrector and backs up the correction impulse with respect to thereceiving segments. This backing up is continued until the D printer prints the letterK, which indicates the…
Telegraph
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