NSTOX, Publisher. ment, while perfecting his improvement in vulcanized Wired Love and Flashes or Evergreens 1 75 India-rubber and its varied applications. W. J. JOHNSTON, 9 Mukkay st., N. Y P. O. Bisx 3332. No. 9 Murray St., New York. The necessities of the telegraph business requiring an |… … Relay. Sounder. degs. : and it may be safely immersed in boiling water. The above cuts illustrate the Delany Patent Telegraph Relay and Sounder, now being manufactured and tested The action of water, salt or fresh, not only protects aJ its qualities, but very much improves its insulation. with a…
Telegraph -- Periodicals
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