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Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 52
operate nearly, if not quite, asquickly as the distant transmitter; that is, when the reversed current again flows inthe main line, the printer and corrector relay tongues will already be in motion. Figure10 shows the current conditions in the various windings when equilibrium has been reachedwith… … ©^u ©^u Fig. 11 49. It will be obvious that the work of the line current is being chiefly confined toholding the armature against one or the other of its contact stops for the length of timerequired to develop the signal, and that the actual movement of the relay tongue islargely controlled by…Telegraph
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