Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 184
_/LINE EEEP PLUNDER ROD Fig. 42 … Fig. 43 Page 12 Section 5-A Adjustments Multiplex System 263-C shall be set so that they are strong enough to feed the paper properly and still allow thepaper to slip slightly and straighten itself when it becomes crowded to one side or theother. 32. Main Break Contact Gap. Hold the typewheel…
Telegraph
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