. The street railway review . FIG. 4—SECTION ON H, FIG. 5—SECTION ON F, F. curve and carrier pulleys, manholes, rails, drain and siding asassembled. Fig. 6 shows the head counterweight, the right hand endbeing the up-hill end, with the parts assembled. Thecounterweights are carried on 20-in. wheels, with The axle boxes are of the best phosphor bronze andbeneath the bronze box is an oil cellar which holds aboutone pint of oil. In the oil cellar is a wooden feeder wliiciibears against the axle, the whole length of bearing, thusgiving continuous and perfect lubrication. Above the
. The street railway review . FIG. 4—SECTION ON H, FIG. 5—SECTION ON F, F. curve and carrier pulleys, manholes, rails, drain and siding asassembled. Fig. 6 shows the head counterweight, the right hand endbeing the up-hill end, with the parts assembled. Thecounterweights are carried on 20-in. wheels, with The axle boxes are of the best phosphor bronze andbeneath the bronze box is an oil cellar which holds aboutone pint of oil. In the oil cellar is a wooden feeder wliiciibears against the axle, the whole length of bearing, thusgiving continuous and perfect lubrication. Above the boxesis a half elliptic steel spring, to take the shock of uneventrack and poor joints. The 4S-in. sheave which is placed inthe counterweight is provided with a cast steel stud to runupon. This stud is hollow and is filled with oil, which isalso fed bv a woolen wick, thus insuring continuous lubn-cation. All bearing surfaces are made large to insure con-tinuous wear. The weight per inch of bearing surface is inno case more than 200 lbs. 288 (^IJM-^
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
