. The Street railway journal . ctric System for Railways; Daniel S. Bergin,Chicago, 111. App. filed May II, iqoi. The contact plow is con-nected with the bottom of the car through a slip joint, which per-mits the car to rise and fall without altering the position of thecontacts. 692,851. Trolley Harp and Wheel; William A. Heller, Muske-gon, Mich. App. filed Oct. 29, 1901. The trolley harp is providedwith upwardly extending angular side pieces, the inner face ofwhich approach each other most nearly at points directly above theaxis of the trolley wheel and recede from each other forward and inre
. The Street railway journal . ctric System for Railways; Daniel S. Bergin,Chicago, 111. App. filed May II, iqoi. The contact plow is con-nected with the bottom of the car through a slip joint, which per-mits the car to rise and fall without altering the position of thecontacts. 692,851. Trolley Harp and Wheel; William A. Heller, Muske-gon, Mich. App. filed Oct. 29, 1901. The trolley harp is providedwith upwardly extending angular side pieces, the inner face ofwhich approach each other most nearly at points directly above theaxis of the trolley wheel and recede from each other forward and inrear of said point to facilitate rounding curves and yet hold thewheel on the wire. 692,898. Electric Railway System; Byron E. Osborn, Auburn,N. Y. App. filed May 13, 1897. A hollow conduit of conductingmaterial is located on the surface of the roadway and contains themain conductor. The conduit is divided into sections, which areenergized, as the car proceeds, by electromagnetic switches inboxes immediately beneath the PATENT NO. 692,851 692,914. Car Bolster; Ralph V. Sage, Westmont, Pa. App. filedDec. 10, 1901. A bolster consisting of a combined top and sidemember made of a plate bent into channel form, the sides beingdeeper at the center than at the end. 692,938. Car Track Sanding Device; Abraham L. Sprague, Mil-ton, Mass. App. filed July 12, 1901. The box is provided with arotating wheel having inner and outer buckets which distribute thesand without the aid of valves. 692,974. Combined Underground and Overhead Electric Rail-way; Daniel S. Bergin, Chicago, 111. App. filed March 27, car is fitted with a trolley pole and a contact plow which areconnected together in a circuit with the motor, so that the car canco-operate either with a conductor overhead or one undergroundwhen necessity arises. 693,160. Body Bolster for Railway Cars; Morse B. Schaffer, , Mo. App. filed Sept. 30, 1901. A cast car bolster having itswalls curved for the purpose of avoidin
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