E/MJ : engineering and mining journal . convergence forming what would ordinarily be termed theangle of the frog. Kadi of these rail sections is drilled for fishplates, to con -t with the abutting rails. The baseplate is also well spiked to the ties, making the wholesolid and rigid. Small plates C are bolted to the base,to limit the throv, of the swinging rail and insure itsproper alignment with the connecting rails. This switch is located at the main parting near thebottom of the shaft, at the juncture of the loaded anderupt} tracks. It is always set for the loaded trips comingout. the hraken
E/MJ : engineering and mining journal . convergence forming what would ordinarily be termed theangle of the frog. Kadi of these rail sections is drilled for fishplates, to con -t with the abutting rails. The baseplate is also well spiked to the ties, making the wholesolid and rigid. Small plates C are bolted to the base,to limit the throv, of the swinging rail and insure itsproper alignment with the connecting rails. This switch is located at the main parting near thebottom of the shaft, at the juncture of the loaded anderupt} tracks. It is always set for the loaded trips comingout. the hrakenieii on the empty trips opening and closingit as they go in. it has been in continuous operation fortwo years, with a daily average of 60 to 70 motor trips(about 1,3P0 cars) passing over it. has not cost one centlor repairs and has given perfect satisfaction. The motor-men are much in favor of it, there being no jar or jumpingof (he locomotive in passing over it when the wheels areworn, as is the case in running over the ordinary frog.
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectmineralindustries
