File:The street railway review (1891) (14574515239).jpg

Identifier: streetrailwayrev15amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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are made with six-bolt fish plates. The track is bonded with the .\merican Steel & Wire Cos. g-in. U. S. bonds of No. 0000 capac- head material was supplied by the Mayer & Englund Co. of Phila-delphia. There are two No. 0000 round trolley wires carried in 20-oz.,iS-in. clinch and soldered ears which are supported in heavy malle-able iron yokes; these are attached to the brackets by short suspen-sion. The high tension lines consist of three No. 4 hard drawncopper wires supported in the form of an equilateral triangle on No.17 Locke glass insulators, the two lower wires being mounted on4x5 in. two pin arms and the upper wire on a single pin arm at thetop of the pole. The lower insulators are on 12-in. locust pins withtwo-inch shanks and the upper insulator is on a i6-in. pin, and thewires transposed one-third of a revolution every mile. The polesalso carry a telephone circuit on wood brackets just below the strutfrom the main bracket, .^t all stations, turnouts, spurs and cross-
Text Appearing After Image:
OVERHEAD CROSSING WITH CHICAGO & NORTHWESTERN RAILWAY, AT COMANCHE. ity, two bonds being placed at each joint. The holes for the bondswere drilled on the ground. Spring switches and frogs are usedthroughout the main line track and the switches are provided withdwarf target stands carrying standard steam railroad lights. Thetrack is laid on No. i oak ties 6x8 in. x 8 ft. spaces 24 in. betweencenters. Crushed rock ballast is used and is laid six inches deepunder the ties. This ballast is procured from the railwaycompanies quarries at Comanche, where they have erecteda stone crushing plant for this purpose. Some of the ings, jack-boxes are placed on brackets attached to the poles in sucha position that they can be readily reached from the car. Eachcar carries a telephone which can be attached to the jack-boxesat the regular telephone stations and telephone connections can bemade at any point along the line, by means of emergency poles car-ried on each car. The telephone line is trans

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