. The Street railway journal . Derails ■n 38 Locks •n ■i7 :i0 a Switches ,0 ,, 20 THE APPROACH TO THE STATION Al YERBA BUENA AVENUE This first interlocking plant was installed about two yearsago, a tower being built at one side of the pier so that the ing to the south, and the new Clare-mont branch, which parallels the mainline for several blocks. It also con-trols the switch and service tracksconnecting with the Santa Fe andSouthern Pacific Railroads, and theshops, yards, freight house and powerhouse. The tower is centrally situ-ated and the interlocking systemoperates switch and signal point
. The Street railway journal . Derails ■n 38 Locks •n ■i7 :i0 a Switches ,0 ,, 20 THE APPROACH TO THE STATION Al YERBA BUENA AVENUE This first interlocking plant was installed about two yearsago, a tower being built at one side of the pier so that the ing to the south, and the new Clare-mont branch, which parallels the mainline for several blocks. It also con-trols the switch and service tracksconnecting with the Santa Fe andSouthern Pacific Railroads, and theshops, yards, freight house and powerhouse. The tower is centrally situ-ated and the interlocking systemoperates switch and signal points upto 2565 ft. west of the tower, 720 and 525 ft. south. A fifty-two-lever machine is installed in the tower with forty-eightworking levers. The tower is large enough for seventv-. THE LOCATION OF THE -LEVER TOWER BLOCKS ON THE PIER operator can command a view of the entire terminal, aswell as the long pier. It is equipped with a twenty-four-lever machine for hand manipulation, and twenty-one work-ing levers are at present in use. Standard track semaphoresare installed. six levers. The system installed is the standard type ofthe Union Switch & Signal Company with wooden signaltowers, Hayes derails, etc. Red signals are used to indi-cate danger and green to clear. At No. 1 signal on the endof the pier yellow is used as a caution and clearing signal. 5* STREET RAILWAY JOURNAL. [Vol. XXX. No. 2. SAN ANTONIO SHOP NOTES Several unique devices are in use in the shops of the SanAntonio Traction Company. Through the courtesy of Brown, superintendent of transportation, an account ofsome of them is given. SAND DRIER A sand drier built by Mr. Brown is shown in an accom-panying reproduction. It consists of a hopper-shaped bin
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
