National Telegraphic Union · New York : N.T.U. · leaf 276
current at N also being reduced to 50,while that in M remains at 50, as before, the two attrac-tions neutralize each other, and the spring s draws backthe armature. Thus, it will be seen that the writing from the key Kwill only affect the relay M N, and vice versa. Local circuits can be attached to… … A repeater may also be arranged to work on thissystem, if required. The inventor of this arrangement is Mr. Thomas A .Edison, of the Western Union Telegraph Office, Boston,Mass. t~**y-i [ Written for the Telegrapher.]Waifs. Dm you ever see Mrs. Partington ? I have. I sa wher this morning. She was…
Telegraph
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