. Electric railway journal . LINE The transmission wires are carried on an independent poleline built of 45-ft. cedar poles with 8-in. tops and 12-in. buttsset 6 ft. in the ground. The transmission poles are set 150 on tangents and 80 ft. on curves, while the trolley polesare spaced 80 ft. apart throughout. The butts of the trans-mission poles, as well as those of the trolley suspension, weretreated with Carbolineum. Where wet ground made it neces-sary the poles are set in concrete, barrels being used for accompanying engraving shows the general dimensions andarrangement of t
. Electric railway journal . LINE The transmission wires are carried on an independent poleline built of 45-ft. cedar poles with 8-in. tops and 12-in. buttsset 6 ft. in the ground. The transmission poles are set 150 on tangents and 80 ft. on curves, while the trolley polesare spaced 80 ft. apart throughout. The butts of the trans-mission poles, as well as those of the trolley suspension, weretreated with Carbolineum. Where wet ground made it neces-sary the poles are set in concrete, barrels being used for accompanying engraving shows the general dimensions andarrangement of the transmission poles. The transmission cir-cuits consist of three No. 14 copper or aluminum wires carriedon 8j^-in. triple petticoat porcelain insulators supplied by theOhio Brass Company. Two 4-in. x 5-in. x 8-ft. cross-arms areused, the wires being spaced 7 ft. apart. The valley of the Great Salt Lake, closely shut in by high —1 T . 4^6- 4-BS 1 G-3- >• 4 Drain Pipe n^i —1 ^ f U— ; Water SupplyLine - Plan.
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