. The Street railway journal . means of the field the motor panel will be noticed a .seven point switch which has beendesigned so thatthe motor cir-cuits may be runfrom any one ofthe three bus-bars or any oneof the four gen-erators. The m a i nfeeder wires inthe car househave been so laidout that the po-tential betweenthe positive andnegative mainsis constant atany point in thebuilding. Thisis accomplishedby running wiresclear around thebuilding and thenegative wirethe full distancein the oppositedirection. Thebatteries are charged in multiple across these mains. A nov
. The Street railway journal . means of the field the motor panel will be noticed a .seven point switch which has beendesigned so thatthe motor cir-cuits may be runfrom any one ofthe three bus-bars or any oneof the four gen-erators. The m a i nfeeder wires inthe car househave been so laidout that the po-tential betweenthe positive andnegative mainsis constant atany point in thebuilding. Thisis accomplishedby running wiresclear around thebuilding and thenegative wirethe full distancein the oppositedirection. Thebatteries are charged in multiple across these mains. A novel device has been designed to indicate when thebatteries are fully charged. It is practically an ammeterwith an attachment which makes contact and completesthe circuit through an incandescent lamp, when the cur-rent drops to twenty amperes. The object of this is to in-dicate to the attendant when the battery has been sufficientlycharged. When the battery is first put on the charging Dkcembkr, 1896.] STREET RAILWAY JOURNAL. 75. FIG. 6—PLAN AND SECTION OF ENGINES AND GENERATORS.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
