National Telegraphic Union · New York : N.T.U. · leaf 309
In view of the errorand delay in transmission,waste and consumption ofbattery material, the results■H >;£■ ;f Wl W of defective insulation, its fra- gile nature and expense of renewal, nothing is moremanifest than its economy. To RAILROAD COMPANIES relying upon the effi-ciency of their telegraph… … AMERICAN MANUFACTURES. THE BISHOP GUTTA-PERCHA CO, THE ONLY AMERICAN MANUFACTURERS oy PURE GUTTA-PERCHA. Insulated Telegraph Wire FOB SUBMARINE CABLES, Office Wire, Electric Cordage, and for Mining andBlasting Uses, etc., etc., Respecttully inform their American friends and their Customers,the…
Telegraph
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