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Show PUPINCOILij FOR LONG DISTANCE W F Mndson, local managei of the fl Mountain States Telephone & Tele- fl graph company, sas that within the i pa.U six months a very aluablc : I pllance for telephone wiies on Ipi fl distance lines. Known as the Pupin f coll, has boon perfected which ban E made possible tho telophono line from I New York to Demcr and which will II eventually make it possible to tele- H phono from New York to San Fran- I cisco I The Invention Is not a new one, but one with whlchthe telephone experts hav been experimenting for sovernl jears and only recently ha-ve perfect- I ed It so It can be used for commcr- I clal purposes The Invention 1b a I small coll placed at intervals ot two I or three miles, which has a tendency to quicken the current nnd Bhove ft I along In the past the difficulty has I been that ou long distance lines the current had a "kick-back to such an I extent that the voice reproduced at the other end would be a mere blurr of discordant sounds A year or so ago Theodore N Vail, president of tne American Telephone & Telegraph company, sot his experts the task of perfecting tills coil an 1 building a line from New York to San Francisco that would .give satis- I factorv service across the continent, at the time a seemingly stupendous task, but one which the perfection of the Pupin coil has made only a mat-tor mat-tor of poles and wire. The line will soon be built into Ogden Og-den and this will be the first point in Utah to telephone direct to New York oo |