Show A AGE the assertion a decade ago that il would bo possible for two persons to converse intelligently with their own voices a distance of 1000 miles would live been considered a travesty upon tho then acknowledged possibilities of science 3 ct lucli is now an accomplished fact tho persistent de manua of commerce havo pushed into practical use an invention that but civo or six years ago was considered to bo nothing moro than an interesting te curiosity and our ago and generation with facilities ta expediting bus inosa in tho way of mails aud telegraph hat fifty years ago would hao been con aro still thirsting j for yet moro r nad to meet this reiterated demand 1 of the business public an cape imant d telephone line has been lacay con with a specially invented steel copper wire from chicago to icv york a distance of miles I 1 tho wire is not altogether a new invention ven tion alic combination of a steel core in a copper wire being lon fcc aa about tho best and most electricity known to man but the successful manufacture of such a compound especially in such lengths as required by our telegraphs his been considered impracticable by tho new method all tho difficulties of combia niton arc overcome the copper is deposited upon tho steel core by electroplating electro plating batto acs ics at the lute of COO ibs to tho mile the lino which the experiment was hold pas acs by cable over and lor thoi cst of tho way is strung upon poles with ordinary insulators the diameter of tho compound who is nearly one fourth of an inch and it weighs pounds to tho mile it is said to have double tho strength of iron wiio and seven timea its conducting power the problem of a connection between distant points hiving been thua ally solved it will not bo cry long before all abo largo cities of tho united states are in actual talking connection with ono another thus actually superseding excelling tho old telegraphic system tho many remarkable inventions and improvements that have been put to practical uses luring tho present eminently pro generation have so tho public mind that it is not saying too much that if a method of renal alight for nan was discovered it would hardly bo considered as now belonging to tho marclous maw clous |