. The street railway review . ballast is also procured from another crushing plant atLe Claire. .^t present the road is only partially ballasted, butthe work of ballasting is being carried on as rapidly as possibleand the roadbed is expected to be entirely completed during nextspring. The overhead construction is bracket work except at curvesand turnouts where span construction is used. The poles are 30and 35 ft. long, 7 in. in diameter at the top and were selected tostandard specifications. The brackets are extra long (11 ft.) andextra heavy, the poles being set 8J4 ft. from the track center
. The street railway review . ballast is also procured from another crushing plant atLe Claire. .^t present the road is only partially ballasted, butthe work of ballasting is being carried on as rapidly as possibleand the roadbed is expected to be entirely completed during nextspring. The overhead construction is bracket work except at curvesand turnouts where span construction is used. The poles are 30and 35 ft. long, 7 in. in diameter at the top and were selected tostandard specifications. The brackets are extra long (11 ft.) andextra heavy, the poles being set 8J4 ft. from the track center toavoid any possibility of accident from this source. All of the ovcr-. VIEW OF THREE-MILE T.\NGENT. EXTEUIUR OF SUB-STATION .^T PRINCETON. surface crossings, and one over-head crossing with the Chicago &Northwestern railway at Comanche. Only one of the surface cross-ings, is with a main line road; the latter is a crossing with theChicago, Rock Island & Pacific at Shaflfton, Of the other two sur-face crossings one is with a double switch track of the Davenport,Rock Island & Northwestern at a place called Quarry, and theother is a single switch track crossing with the same line at Bet-tendorf. Roadbed and Overhead Work. The track is laid with Illinois Steel Co. 70-lb. T-rails of A. S. C. E. section in 30-ft lengths. The joints are staggered and 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 wh
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
