. The Street railway journal . Street FIG. 2.—DIAGRAM SHOWING CONNECTION TO OPPOSITE END OF TRUCK motive power of some of its lines from horse and cable to elec-tric. The first cars were equipped with the ordinary hand-wheel brakes. It was immediately discovered that an emer-gency brake other than a wheel brake was required. The cablecars were, in a measure, safer than the electric cars, for aslong as a grip on the cable was maintained the car could atleast not go faster than the cable. The electric cars had nosuch safeguard. In 1895 G. W. Douglas, then master mechanicof the Market Str
. The Street railway journal . Street FIG. 2.—DIAGRAM SHOWING CONNECTION TO OPPOSITE END OF TRUCK motive power of some of its lines from horse and cable to elec-tric. The first cars were equipped with the ordinary hand-wheel brakes. It was immediately discovered that an emer-gency brake other than a wheel brake was required. The cablecars were, in a measure, safer than the electric cars, for aslong as a grip on the cable was maintained the car could atleast not go faster than the cable. The electric cars had nosuch safeguard. In 1895 G. W. Douglas, then master mechanicof the Market Street Railway Company, started to experimentwith track brakes on electric cars. Twelve single-truck cars, Street Ryjoumal FIG. 1.—TRACK BRAKE APPLIED TO A PECKHAM SINGLE TRUCK on the hand lever, A, the shaft, D, turns from left to right,tending to make the short lever, E, assume a vertical motion is also transmitted to lever, H, by means of con-necting lever, F. The simultaneous parallel movement oflevers E and
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
