. Electric railway journal . Pacific Electric Railway—Interurban Track and Pole Line three transmission wires are in a vertical position, and asthe cross-arms are 8 ft. in length this arrangement alsopermits easy access to the wires by the linemen. In tangentcatenary construction the poles are spaced 150 ft. apart,this distance being shortened on curves to 60 ft., even for a1 deg. curve. The transition from 150 ft. to 60 ft. is madegradually. A variety of types of hangers and insulators has beenused in the catenary construction already installed, in-cluding the Southern Pacific type of hanger
. Electric railway journal . Pacific Electric Railway—Interurban Track and Pole Line three transmission wires are in a vertical position, and asthe cross-arms are 8 ft. in length this arrangement alsopermits easy access to the wires by the linemen. In tangentcatenary construction the poles are spaced 150 ft. apart,this distance being shortened on curves to 60 ft., even for a1 deg. curve. The transition from 150 ft. to 60 ft. is madegradually. A variety of types of hangers and insulators has beenused in the catenary construction already installed, in-cluding the Southern Pacific type of hanger with roundloop at the top and the commercial type of strap hangerwith an extended flap loop. The hangers are spaced 15 The company has found it necessary to use tie spansto the trolley wire at occasional intervals on tangents to.
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