. The Street railway journal . ELEVATION AND PLAN OF POWER HOUSE—PARNAHYBA high and low-tension circuits, and for connecting the elec-trical apparatus above enumerated. These boards are verycomplete, and are equipped with the latest type ofapparatus, consisting of two high-tension line panels,ground detector panel, four high-tension transformerpanels, four low-tension transformer panels, one totaliz-ing lighting panel, four motor panels, four railway gener-ator panels, ten power-circuit panels, arc light circuit 828 STREET RAILWAY JOURNAL. [Vol. XVI. No. 35. panels for twelve 50-light circuits
. The Street railway journal . ELEVATION AND PLAN OF POWER HOUSE—PARNAHYBA high and low-tension circuits, and for connecting the elec-trical apparatus above enumerated. These boards are verycomplete, and are equipped with the latest type ofapparatus, consisting of two high-tension line panels,ground detector panel, four high-tension transformerpanels, four low-tension transformer panels, one totaliz-ing lighting panel, four motor panels, four railway gener-ator panels, ten power-circuit panels, arc light circuit 828 STREET RAILWAY JOURNAL. [Vol. XVI. No. 35. panels for twelve 50-light circuits, and ten railway feederpanels. The railway lines have been laid out with the view of se-curing the best and most profitable routes in the city, andabout 80 miles of track with necessary turnouts and specialwork will be constructed. At the present time 40 miles oftrack has been constructed, of which about half is of T-rail. PLAN OF SUB-STATION—SAO PAULO and half of girder rail, Pennsylvania Steel Companys sec-tions, No. 242 and No. 243 respectively. The girder rail used is 7 ins. high, weighing 90 lbs. peryard, having a lip inside of the groove, which is on thelevel with the tread of the rail, for the purpose of preserv-ing the pavement. The rails have a 6-in. base, resting onconcrete stringers, with steel ties placed 10 ft. apart. Thesesteel ties are made of 7-in. channels, and are 5 ft. 9 , imbedded in concrete. Drop forged brackets areused, four to each tie, for the purpose of bracing the rail. wooden ties. Both the T rail and girder rails are bondedwith the West End type of bond. The single pole overhead construction is illustrated in the engraving. Thisform is used inmany places, but in thecenter of the city spanwires are stretched frompoles at the curbs. The company is op-erating at the presenttime fifteen nine-benchopen cars of the J. Companys cars are 29 ft. 8|ins. in l
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Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884
