. Western electrician . contact to a secondlocal contact along the line of way. in combination with amovable object provided with contact brushes, and a signaldevice on said movable object connected with said brushes. 531,657. Transmuter for Electrical Currents. WilliamJ. Still, Toronto, Ont. Application filed April 5,1893. The object of the invention is the combination with a motoradapted to be run by an alternating cuirent, of a transmutingcylinder formed of three rings insulated from each other, and Issued January i, iSgj. from the central spindle on which is located the motor andcylinder,
. Western electrician . contact to a secondlocal contact along the line of way. in combination with amovable object provided with contact brushes, and a signaldevice on said movable object connected with said brushes. 531,657. Transmuter for Electrical Currents. WilliamJ. Still, Toronto, Ont. Application filed April 5,1893. The object of the invention is the combination with a motoradapted to be run by an alternating cuirent, of a transmutingcylinder formed of three rings insulated from each other, and Issued January i, iSgj. from the central spindle on which is located the motor andcylinder, and having rectangular, tooth-shaped lateral pro-jections alternately arranged and designed to fit into the spacesbetween the lateral projections of the adjacent ring, and meanswhereby the alternating current is conveyed to the rings andtransmuted to a constant current to be conveyed away from therings 531,663. Base for Incandescent Electric Lamps. GeorgeC. Thomas, South Framingham, Mass. Applicationhied November 28, 18. NO. 531,657. The invention consists in a base for an incandescent lamp,the combination of a shell having an inwardly extended cam-shaped head, and a disk of insulating material having its edgesurface conformed substantially to said head. 531,664. Closed Conduit for Electric Railways. RobertJ. Turnbull, St. Paul, Minn. Application filed Janu-ary 19, 1894. A conduit formed in two parts adapted to be united longitudi-nally, a conductor rail formed in sections and held between theparts of said conduit and projecting downward into the interiorthereof and extending above its upper surface, and moisture-proof insulator strips interposed between said conductor railsections and conduit, and overlapping the upper portion of saidconduit, whereby means are provided for conducting moistureaway from said conductor rail sections and insulating the con-ductor rail sections from the conduit. 531,669. Indicator for Electric Currents. Edward Weston,Newark, N. J. Application filed
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