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Show AN UMIMUIKOUM) 1 LUtUIU RAIM , AtamuiNo to n circular Uitied by J. Walter Uouglis 015 Walnut Bt , Tlilladelphla, l'a , tlio r rublein of propelling pro-pelling railway care by nn under ground electric trolley syiteni la aolrrd. ThatcenUeniau Is eoltcttor for a b udl cattt controlling tho ratente and Inrltea lurmtlgMloti on tbo (art of capitalist nud electrician, llo eiyi that com I vtant mechanical experts hare uxaiu (tied hlasyitcin and they aro sails tied that tho underground method Is wall rely re-ly fraelblo aud I racth able. Tho principal object of this lyitem aa atated by Its roprletors are 1 lnt To lnauro tbo presence of a contlnuoua and uniform current throughout through-out the euttro length of an underground conduit In tho operatlou of tbo electrh motor of a railway c.r or other reblole ccond To maintain tho conductor for coureying tho currsut through an uudergrounl current or subway, sub stantlally dry and freo from moUture, In order that lot trio leakage may bo ob-vlatftl ob-vlatftl Two particular aro eisentlal to a fxriYct system of clfctrlcdlstrllutlon, whether Abore or bfneath tho surface, and they are, tho mtlntenance of a high standard of (mutation and tho dissipation of inoMuro lu, about or around tho conductor. Dm steius alrtaly tried for underground work havonxoTrdfallurialvcAUkolbcy xivtv lacking lu theso two prorUtuns. Ac cording to Mr, Douglass, hla system haseolvedtho problem of distribution aud dtaelpatlouofinoMure by a procrra of circulating netted air throuirh a main conductor. |