. The Street railway journal . gear segment and means for trippingthe rack from the gear to retrieve the pole when the latterleaves the wire. 879,969. Brake Shoe; Louis E. Keller, Oil City, Pa. Feb. 27. 1907, A corrugated steel reinforcing strip isincorporated in the face of a cast-iron brake shoe. 880,021. Trolley; George H. Gross, Binghamlon, N. Y. April 26, 1906. In place of the usual bearing, a fixedgrooved ring is provided over which a trolley wheel of ring-shaped or annular form is positioned to rotate. 880,072. Railway Signal Apparatus; Frank Graziano, NewOrleans, La
. The Street railway journal . gear segment and means for trippingthe rack from the gear to retrieve the pole when the latterleaves the wire. 879,969. Brake Shoe; Louis E. Keller, Oil City, Pa. Feb. 27. 1907, A corrugated steel reinforcing strip isincorporated in the face of a cast-iron brake shoe. 880,021. Trolley; George H. Gross, Binghamlon, N. Y. April 26, 1906. In place of the usual bearing, a fixedgrooved ring is provided over which a trolley wheel of ring-shaped or annular form is positioned to rotate. 880,072. Railway Signal Apparatus; Frank Graziano, NewOrleans, La. App. filed June 15, 1907. Comprises a spaced bars and terminals arranged below the uppersurface of the grating and arranged to form parts of normallyopen electric circuits and also arranged to enable tappets de-pending from cars to pass between the bars of the grating tocomplete the circuits. 880,107. Electric Trolley; Leonard Smith, North Tonawanda,N. Y. App. filed Dec. 9, 1905. The trolley harp is so mounted. PATENT NO. 879,938 to the pole that a limited movement is permitted Ijy \ irtue ofa spring and bolt connection. 880,134. Alarm Signal Mechanism; Ellsworth E. l^lora andRobert J. Zorge, Chicago, 111. App. filed June 19, 1907. Meanswhereby indication is given to the engineer or motorman ofthe opening of a switch or draw. Includes an apparatus along-side the track rails for positioning a torpedo thereon in casethe train approaches when the switch is open. 880,136. Signal System; Julien A. Gehrung, New York,N. Y. App. filed Feb. 2, 1907. Provides a signal system foruse in rural sections of the country. Comprehends a semaphore
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
