. Railway mechanical engineer . ing drilledout with a 3/16-in. drill and having three holes of 9/64-in.,S/64-in. and 1/32-in. diameter, respectively, through thewalls of the plug. The positions of the plug when each ofthe orifices is open is indicated by a pointer and numbers onthe body of the valve. In the normal position of the valve,the handle is along the body and the orifices are closed. The valve, No. 2, which forms a by-pass around the stopcock. No. 1, is a standard J4-n. drain cock which has abushing with a 3/64-in. hole in the union tailpiece. Thedevice is coupled to the hose on the c
. Railway mechanical engineer . ing drilledout with a 3/16-in. drill and having three holes of 9/64-in.,S/64-in. and 1/32-in. diameter, respectively, through thewalls of the plug. The positions of the plug when each ofthe orifices is open is indicated by a pointer and numbers onthe body of the valve. In the normal position of the valve,the handle is along the body and the orifices are closed. The valve, No. 2, which forms a by-pass around the stopcock. No. 1, is a standard J4-n. drain cock which has abushing with a 3/64-in. hole in the union tailpiece. Thedevice is coupled to the hose on the car and to the compressed ROLLER TOOL FOR FINISHING PISTONRODS BY A. J. HUMPHREY .\ roller tool for finishing piston rods which does not havethe objectionable features of the usual type with but oneroller is shown below. In order that the rod may be rolledclose up to the piston head, the tool is made in two sec-tions. One section carries the rollers, of which there arethree, two Ijehind the rod and one in front of it. The roller.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
