. Railway mechanical engineer . Shelby steeltubing, in which works the mild steel holder-on piston. Thelength of the piston is increased as desired by a piece of IJ4-in. pipe. The head is fitted with two \s-in. air pipe con-nections, one for the holder-on cylinder and the other forthe hammer proper. E. J. McKernan presented a drawing of the jig for drill-ing brake staffs, shown in Fig. 6, which is used on the SantaFe. This consists of a block of soft steel through which areholes for the brake staff; at right angles to these are holesbushed with tool steel for guiding the drills. This jig takes
. Railway mechanical engineer . Shelby steeltubing, in which works the mild steel holder-on piston. Thelength of the piston is increased as desired by a piece of IJ4-in. pipe. The head is fitted with two \s-in. air pipe con-nections, one for the holder-on cylinder and the other forthe hammer proper. E. J. McKernan presented a drawing of the jig for drill-ing brake staffs, shown in Fig. 6, which is used on the SantaFe. This consists of a block of soft steel through which areholes for the brake staff; at right angles to these are holesbushed with tool steel for guiding the drills. This jig takescare of all the drilling operations which are required onthe brake staff. Drawings of the jacking stall for straightening steel under-frame cars, which has been provided at the Topeka shops,were also shown. A description of these facilities will begiven in detail in an early issue of the Railway MechanicalEngineer. J. E. Axley, C. & E. I.: The tool shown in Fig. 7 isused for boring steel and cast iron car wheels. The tools. GHS /HlR
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
