er of the Morse receiver is also Naturally in the case of a continuous succession of mentioned check signal circuit prepared so that when placed in a protecting box so as to protect it from the sparks which are sent with the object of creating con- the contact tooth comes around it will complete… … especially for this check system. Taking motor and by a special electric device the Enlarged View of the Disk Used at the Receiving Stations the case of the lamp lighting circuit, for cam which made one-fifth turn is suddenly instance, the disk belonging to it carries brought back to the zero…
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