. The Street railway journal . rd alignment. It will be notedthat the pantagraph mechanism is ex-tended so that the alternating-currentcontactor reaches the overhead construc-tion. The overhead wiring is supported atpoints 300 ft. apart by means of bridgesmade of steel lattice-work. At everytwo miles the overhead bridge is of spe-cial form and is used both to anchor theline work and to contain switches forthe purpose of disconnecting the trolleycircuits or interconecting them withfeeders, as may be desired. A gen-eral view of the catenary construc-tion is given in Fig. 2, which is froma photo
. The Street railway journal . rd alignment. It will be notedthat the pantagraph mechanism is ex-tended so that the alternating-currentcontactor reaches the overhead construc-tion. The overhead wiring is supported atpoints 300 ft. apart by means of bridgesmade of steel lattice-work. At everytwo miles the overhead bridge is of spe-cial form and is used both to anchor theline work and to contain switches forthe purpose of disconnecting the trolleycircuits or interconecting them withfeeders, as may be desired. A gen-eral view of the catenary construc-tion is given in Fig. 2, which is froma photo taken looking east from the New Rochelleanchor bridge No. 72. Sectionalizing oil switches andtrolley wooden section insulators are carried on theanchor bridges only and are not shown in the iio-volt electro-pneumatic operating device is pro- anchor bridges, and thus any section of track may be ren-dered dead, while the bus allows the feeder circuit to forma shunt around the overhead work for furnishing continuity. IIG. 4.—SETTING POLE IN PLACE AT RVE of transmission beyond the disconnected section. The no-volt circuit is controlled from a pane! in the regular signaltower (adjacent to the anchor bridge), thus it is possiblefor the signal operator to stop any train on any sectionwhen emergency may require. Thus, should a locomotive
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
