. The street railway review . i diameter and fitted with a swivel head which per-mits the wheel to turn and adapt itself to any position ofthe trolley wire. The trolley base is supported on four in-sulators. The trolley wire is divided every half mile by section in-sulators and connection is made at these points with thefeeders through feeder boxes. Two feeders run from the. PIG. 5. ^1JMt%ilvviaiiSV*cvv* 389 power station, one of 78,000 c. m. and one of 305,000 c. section. They consist of stranded cables, lead cover-ed and armored and buried in the ground to a depth of 18in.
. The street railway review . i diameter and fitted with a swivel head which per-mits the wheel to turn and adapt itself to any position ofthe trolley wire. The trolley base is supported on four in-sulators. The trolley wire is divided every half mile by section in-sulators and connection is made at these points with thefeeders through feeder boxes. Two feeders run from the. PIG. 5. ^1JMt%ilvviaiiSV*cvv* 389 power station, one of 78,000 c. m. and one of 305,000 c. section. They consist of stranded cables, lead cover-ed and armored and buried in the ground to a depth of 18in. The feeder boxes, shown in Fig. 4, are 4 ft. 8 in. highand are placed on tiie posts supporting the section insula-tors. Each contains two main knife switches in connectionwith a bus bar, from whicli there are two cut-out fuseswhich feed bofh ways on the double trolley wire. The feed-er switches each have a capacity of 400 amperes and eachof the four section switches can carry 50 amperes. The power house is located between the Stour river andthe Worcestershire canal, being about a mile from the Kid-derminster terminus and ^y2 miles from Stourport. In theboiler room there are two water tube boilers, each having1,218 sq. ft, of heating surface. A Green fuel economizerof 120 tubes has been installed. Two vertical compoundengines, Fig. 5, are direct connected to six-pole 550-voltge
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
