Show AN underground ELECTRIC RAILWAY ACCORDING to a circular issued by J walter douglass walnut st philadelphia pa the problem of pro polling railway cars care by an underground electric trolley system to i solved that gentleman to is solicitor for a syndicate controlling the patents and invites investigation on the part of capitalists md and electricians he says that corn potent mechanical experts have exam ined his system and they are satisfied that the underground method is entire ly feasible and practicable the principal objects of this system as sa stated by its proprietors are first to insure the presence of a continuous and uniform current through out the entire length of an underground conduit in the operation of the electric motor of a railway car or other vehicle second to maintain the conductor for conveying the current through an underground conduit or subway substantially ly dry and free from moisture in order that electric leakage may be obviated I 1 I 1 two particulars are essential to a perfect system of electric distribution whether above or beneath the surface and they are the maintenance of a high iAan standard dard of insulation and the dissipation of moisture in about or around the conductor the systems already tried for underground work have proved failures because they were lacking jacking in these two provisions according to mr douglass his hie system has baa solved the problem of distribution and adissi dissipation patio n of moisture by a proc ss is of circulating heated air through a main conductor |