Pointer Telegraph

Telegraph > Pointer Telegraph

The Pointer Telegraph uses the technology of a Step-by-step Sequential Circuit. In Figure 1, the Pointer device on the Table is the user interface of the Telegraph Sender and the Screen shows how the Step-by-step Sequential Circuit works.

Figure 1: Pointer Telegraph

If the Step-by-step Sequential Circuit shown on the screen is pointing to "A" and you move the Handle of the Telegraph Sender and confirm it at "E", the Step-by-step Sequential Circuit follows the HandleH to its current position and sends 4 pulses over the transmission line to the Telegraph Receiver, which will move automatically also from "A" to "E".

The Pointer Telegraph is much easier to use than the Morse Telegraph, but much slower.

Telegraph > Pointer Telegraph