. The street railway review . TRESTLE 1,500 FEET LONG. where the Air Line tracks cross below. The propositionwas completed by the middle of the trestle coming at thehighest point of a 2-mile grade and by a curve which takesin more than half the bridge work. From a distance a carappears to be climbing a roof, Ijnt in realitv the grade is lessthan 7 per cent. The tracks arc 11J2 ft. c. to c, which gives ample clear-ance for the cars, the windows of which, however, areguarded with a wire screen. The line construction includescedar poles 32 ft. long, with the trolley wire 20 ft. from therails. Our
. The street railway review . TRESTLE 1,500 FEET LONG. where the Air Line tracks cross below. The propositionwas completed by the middle of the trestle coming at thehighest point of a 2-mile grade and by a curve which takesin more than half the bridge work. From a distance a carappears to be climbing a roof, Ijnt in realitv the grade is lessthan 7 per cent. The tracks arc 11J2 ft. c. to c, which gives ample clear-ance for the cars, the windows of which, however, areguarded with a wire screen. The line construction includescedar poles 32 ft. long, with the trolley wire 20 ft. from therails. Our illustration shows the form of bracket, the arms. i€ A A tnrcu^ Cngint fteom The trolley wire, furnished by Ansonia Brass Co., is of the Figure 8 type, and serves the double purpose offeeder also. A voltage of 550 is used, and with the powerhouse situated midway on the line, abundance of current is delivered to both terminals.
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
