. Chemin de fer électrique gazette . gh le tube ou le tunnel, et un couplage d'isolation de section entre les sections de fil a les extrémités du fil y sont montées. Il existe un mécanisme de commutation inclinable vers lequel le fil est suspendu, et des dispositifs mova-ble par lesquels le courant électrique est transféré du conducteur principal à chacune de ces sectionssuccessivement pendant le passage sur la section. (Voir illustration.) 534,592. Commutateur à fil de chariot ; Frank M. Zim-merman, netroit. Mich. a déposé le 2 novembre 1893. La partie du corps du tabu-lar a son côté sous le tableau au-dessus de la planedu fil du chariot. Les bras de maintien terminent a

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. Electric railway gazette . gh the tube or tunnel, and a sectional insul-ating coupling between the sections of wire has theends of the wire fitted therein. There is a tilting switch mechanism to which the wire is suspended, and mova-ble devices whereby electric current is transferredfrom the main conductor to each of these sectionssuccessively during the passage over the section. (Seeillustration.) 534, 592. Trolley Wire Switch; Frank M. Zim-merman, netroit. Mich. Filed Nov. 2, 1893. The tabu-lar body part has its under tabular side above the planeof the trolley wire. Holding arms terminate at itsouter end with an overlapping hook, and each is pro-vided with an upward leading wire support between itsouter end and the body, and dependent guards. (Seeillustration.) 534, 597. Electrical Alarm for Street Cars; George F. Atwood, Orange, Jonas W . Aylsworth, New-aric, and Walter H. Miller. Orange, N. J. Filed May 28.1891. The vehicle is provided with an electrical alarmbell having two sets of circuit connections to and. No. 531, 597. through circuit controlling devices controlled by thebrake mechanism, with means for varying the currentsupply lo the magnets of the alarmbell whereby thebell may be rung moderately or violently at will. (Seeillustration). 534, 605. Trolley- Wire Crossing; Charles SHersh and Edwin F. Weaver, Philadelphia, Pa., As-signors of one-third to Alfred E. Clarke, same placeFiled March 13, 1894. The bridge has an open base, arota table bridge piece supported in the open base, and apivoted arm on the bridge piece adapted to be engagedby a trolley, and normally standing in position to permitthe trolley on a crossing conductor to pass without ob-struction. 534, 608. Tower-Wason for Elec rle-L, lne Work;John H. Leonhardt, Baltimore, Md., Assignor to theLeonhardt Wagon Manufacturing Company, sameplace. Filed Dec. 29, 1894. To the body of a wagon, aframe is bolted to and has a central-pivot bearing. Acircular track is secured upon the frame, a turn-tableframe hav

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