National Telegraphic Union · New York : N.T.U. · leaf 155
s red hot, and thusignites the sulphur, which burns any noxious gaseswhich may be present. It will, of course, be understoodthat the electric current is made to pass through theapparatus before the descent of the miners into the mine.The Academy of Sciences have reported very favorablyon M.… … SATURDAY, DEC. 26, 1868. OFFICERS OF THE NATIONAL TELEGRAPHIC UNION. President W. H. Young. .. .Box 248 P. 0., Washington, D. Vice-President.V?. P. Merrill..W. U. Tel. O., Portland, Me. Treasurer A. L. Wiiitple. .Box 39 P. O., Albany, N. T. Recording Sec. J. W. Duxb^by..W. tJ. Tel. O., Boston,…
Telegraph
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