Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 270
er circuit to normal. 10. In the foregoing we have shown only how the control circuits of the auto controloperated. We now must see how the operation of the cams and contacts serves to sendthe combinations representing FIG, BELL and LTRS to the line. In conjunction withFigure 3 let us refer also to… … NORMALi MOVE TOGETHER IN DIRECTION OF ARROW Fig. 4 11. If we trace the connections on Fig. 3 we find that segments 1, 2 and 4 of the send-ing ring are connected direct to the corresponding transmitter tongues, but that segments3 and 5 are connected to the tongues of cam contacts 1 and 2…
Telegraph
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