. The Street railway journal . FIG. 3. -VIEW ON RAILROADELECT. FIG. 2—HEAVY FEEDER POLES ON TURN. with the unfilled voids and drainage effect are expected tosecure as long a life for the part of the pole below groundas the upper part will have. On the curves and ends ofwooden pole lines extra heavy iron pull-off poles are usedso that the absence of guy as noticeable here ^^here. Where works of foreign companies are met with, thetwo companies .share in the expense, and higher poles are AVENUE, SHOWING FIRE ALARM, POLICE, LIGHT AND RAILWAY WIRES: for attaching the s
. The Street railway journal . FIG. 3. -VIEW ON RAILROADELECT. FIG. 2—HEAVY FEEDER POLES ON TURN. with the unfilled voids and drainage effect are expected tosecure as long a life for the part of the pole below groundas the upper part will have. On the curves and ends ofwooden pole lines extra heavy iron pull-off poles are usedso that the absence of guy as noticeable here ^^here. Where works of foreign companies are met with, thetwo companies .share in the expense, and higher poles are AVENUE, SHOWING FIRE ALARM, POLICE, LIGHT AND RAILWAY WIRES: for attaching the span wire to the pole, and the final pull-ing up of each span wire is done with a tape wire heldfrom trolley to rail level. This uniformity in height ofthe trolley wire reduces to a mimimum the swaying of thewire. For spans up to sixty feet in. signal strandhas been used for span wire and for longer spans ^Tf i-strand. The .span wires are insulated from the poles ateither end by spherical strain insulators. So far No. o B. &S. trolley wire has beenused,
Size: 2150px × 1162px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
