. The Street railway journal . VIEW OF FRAME Street Ry, Journal FIG. DETAILS OF HYDRANT HOUSE Heavy Tee Hinge Bolted throughDoor & FrameLeather Loop 2 HighTo prevent lIoBC fromrubbing wheD Doorh open Iron Hasp PLAN valve between them. This arrange-ment m,akes it impossible for the pres-sure pump to force water in the tankwithout using a by-pass, consisting ofa 2}^-in. pipe. There is also a pipe extending from near thetop of the tank to the ground for car-rying away water that rises above therequired height in the process of fill-ing. A tell-tale shows at all time

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. The Street railway journal . VIEW OF FRAME Street Ry, Journal FIG. DETAILS OF HYDRANT HOUSE Heavy Tee Hinge Bolted throughDoor & FrameLeather Loop 2 HighTo prevent lIoBC fromrubbing wheD Doorh open Iron Hasp PLAN valve between them. This arrange-ment m,akes it impossible for the pres-sure pump to force water in the tankwithout using a by-pass, consisting ofa 2}^-in. pipe. There is also a pipe extending from near thetop of the tank to the ground for car-rying away water that rises above therequired height in the process of fill-ing. A tell-tale shows at all times theexact height of the water in the prevent freezing, a i-in. steam pipeis carried from the boiler room to acoil of brass piping in the bottom ofthe tank. The other end of this coilterminates in a return pipe which bringsthe water of condensation back to theboiler house. All pipes to the tank willbe thoroughly protected from the ele-ments by a wood covering with air-gap insulation. This tank is simply anauxiliary

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884