National Telegraphic Union · New York : N.T.U. · leaf 415
22 South Twenty-first Street,PHILADELPHIA. All varieties of Insulatorsmanufactured at these Worksare warranted to excel theusual style of Glass and Rub-ber more than one hundredfold. In view of the errorand delay in transmission,ID waste and consumption ofbattery material, the resultsof defective… … EDMANDS & HAMBLET, No. 40 Hanover St., Boston, near American House, MANUFACTURE TO ORDER A MAGNETO-ELECTRIC TELEGRAPH, On the Alphabetical Dial principle ; the best, most useful and economical instrument for private business and railroad purposes. VALUABLE PREMIUMS To lie given to Agents! In…
Telegraph
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