. The Street railway journal . 970 11)S., and for dead ends and ancliors1170 lbs. These poles are made ofspecially strong steel, and are capableof standing a particularly heavy strainin proportion to their own No. I pole is capable of supportinga weight of 1200 lbs.; No. 2 pole 1500lbs., and the No. 3 pole 2500 lbs. at adistance of 18 ins. from the top witli-out giving more than 6 ins. temporarydeflection and no permanent set. The trolley line is as usual dividedinto half-mile sections, a feeder pillarbeing erected at each place. This pillarhas in addition to the usual four-lineswit
. The Street railway journal . 970 11)S., and for dead ends and ancliors1170 lbs. These poles are made ofspecially strong steel, and are capableof standing a particularly heavy strainin proportion to their own No. I pole is capable of supportinga weight of 1200 lbs.; No. 2 pole 1500lbs., and the No. 3 pole 2500 lbs. at adistance of 18 ins. from the top witli-out giving more than 6 ins. temporarydeflection and no permanent set. The trolley line is as usual dividedinto half-mile sections, a feeder pillarbeing erected at each place. This pillarhas in addition to the usual four-lineswitches a sufficient number of mainswitches to allow the main cables to bedisconnected for making a loop test incase of FIG. 5.—MOTOK GENERATOR SETS IN TFIE PJRTSMUUTII STy\ll( i .\ The switches are mounted on marble panels, and the holes
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
