. The Street railway journal . t is impossible for thehanger to come loose. TROLLEY SECTION BREAK INSULATORSAt each anchor bridge it is necessary to provide an insu-lator in each trolley wire, and this is accomplished by meansof the piece of apparatus shown in Fig. 13. Each consistsof two bronze end castings, to which the ends of the trolleywire are bolted. Two parallel sections of impregnated hard-wood are fastened to these castings, and to these woodenstrips are fastened renewable pieces of trolley wire in such amanner that the ends of these renewable pieces overlap oneanother in distance al
. The Street railway journal . t is impossible for thehanger to come loose. TROLLEY SECTION BREAK INSULATORSAt each anchor bridge it is necessary to provide an insu-lator in each trolley wire, and this is accomplished by meansof the piece of apparatus shown in Fig. 13. Each consistsof two bronze end castings, to which the ends of the trolleywire are bolted. Two parallel sections of impregnated hard-wood are fastened to these castings, and to these woodenstrips are fastened renewable pieces of trolley wire in such amanner that the ends of these renewable pieces overlap oneanother in distance along the track, although the two wiresare electrically distinct. By this means it is possible for the A waterproof shield above the cables prevents the ac-cumulation of dirt and water upon them. TROLLEY WIREThe trolley wire consists of standard No. 0000 B. & grooved copper. AUTOMATIC CIRCUIT BREAKERS Fig. 14 represents in outline the type of circuit breakerwhich has been developed for this installation, while Fig. 15. Street FIG. 17.—SECTION INSULATOR FOR TURNOUTS gives the details of the device, and Figs. 2 and 5 show thebreakers in place on anchor bridges. The breaker consists of a cast-iron framework adapted to Top View £ f~ir~[F^—10~6Ii~~f*—12°i^>h—l210!L-4<—1-2^0 4< 13LK—*[[*—13^— J^fi-—4 l3n-—J—12-0^4-—12:0^—>f-—1210J!H<—iO-C
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
