. The Street railway journal . 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 foru
. The Street railway journal . 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. PATENT NO 0,329 control of the line under the entire surveillance of the de-spatcher at a city terminus and provides for telegraphic com-munication to the train at all times. This is accomplishedby two simple conductors extending along the roadway. Thereis further provided means to give an indication or check on theaccuracy of the same, so that any condition, such as brokenwires, short-circuited wires, or leakage, is at once notified tothe despatchers ofifice. 880,218. Signal mechanism for Block Signal Systems; HarryL. Johnson, Topeka, Kas. Relates to signal mechanism forelectric block signal systems. Has a main battery to alternatelyenergize primary or main and secondary electro-magnets; alocal battery and a local electro-magnet, a local signal circuit and March 14, 1908. J STREET RAILWAY JOURNAL. 443 connections whereby the making of the circuit through the mainbattery will complete the local and signal circuits successively. 880,271. Method of Forming RaiUbonds, Etc. Eugene
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
