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The Telegrapher [microform] (1864)

National Telegraphic Union · New York : N.T.U. · leaf 75

An illustration from The Telegrapher [microform], 1864, leaf 75
and theresistance coil, O, or its equivalent, substantially as and to theeffect hereinbefore set forth. 2d. The arrangement of parts herein described, or its equiva-lent, by which the sounder, while controlled by the relay, is alsomade to work the main line as a repeater, substantially as hereinset… … SATURDAY, OCT. 17, 1868. OFFICERS OF THE NATIONAL TELEGRAPHIC UNION. President W. H. Young ...Box 248 P. O., Washington,D. C. Vice-President.W. P. Mekkh.l..W. U. Tel. O., Portland, Me. Treasurer A. L. Whipple..Box 39 P. O., Albany, N. T. Recording Sec. J. W. Duxbuby .. W. XJ. Tel. O., Boston,…

Telegraph

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