. The Street railway journal . in running, in order that the casing may serve to aid in dissi-pating the heat generated. It is along the lines here indicated that the motor compressorsmade by the Westinghouse Traction Brake Company are con-structed. In the electric pump governor made by the same com-pany, a simple diaphragm with pneumatic pressure and a slidevalve is used instead of high resistance magnet coils. This com-pany disapproves the use of magnet coils on the ground that theyare easily damaged and liable to frequent break downs in service,while the slide valve, once fitted, rarely get
. The Street railway journal . in running, in order that the casing may serve to aid in dissi-pating the heat generated. It is along the lines here indicated that the motor compressorsmade by the Westinghouse Traction Brake Company are con-structed. In the electric pump governor made by the same com-pany, a simple diaphragm with pneumatic pressure and a slidevalve is used instead of high resistance magnet coils. This com-pany disapproves the use of magnet coils on the ground that theyare easily damaged and liable to frequent break downs in service,while the slide valve, once fitted, rarely gets out of adjustment. Itis similar to the slide valve used in the triple valves of this com-panys make. It is of very rugged construction and is not liableto easy derangement. RECENT RAILWAY INSTALLATIONS MOTOR-DRIVEN TRACK DRILLING MACHINE The Ludlow Supply Company, of Cleveland, Ohio, has recentlyadded manufacturing to its supply business, and is this year de-veloping many devices for use in the construction of electric rail-. MOTOR-DR1VEN TRACK-DRILLING MACHINE ways. One that it has made a specialty of is the Cleveland track-drilling machine, operated by hand or electric power. The accompanying cut shows one of its machines operated by ai-hp electric motor. It also shows the emery wheelattachment which the company is putting on nearlyevery machine this year. With this machine it is pos-sible to drill a 2%-in. hole through a 70-lb. A. S. rail in from 30 to 35 seconds. The hand-powermachine for the same purpose was illustrated in theStreet Railway Journal for Aug. 15. Among the many street railways using these ma-chines are the following: Union Traction Company, Anderson, Ind.; IllinoisValley Traction Company, Ottawa, 111.; Interbor-otlgh Rapid Transit Company, New York; NewYork&LonglslandTraction Company, Hempstead,L. I.; Pittsburg, McKeesport & Connellsville Rail-way, Pittsburg, Pa.; Cleveland, Painesville & Ashta-bula Railway, Cleveland, Ohio; Northern OhioTraction & Li
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
