. The street railway review . instances, that after the track has beenfilled in, it is impossible to see the joint in the tread. The greater portion of the time is consumed in pre-paring the joints, moving the machine, setting up thewelder, etc. The machine has been completing 30 to 50joints per day of ten At the present writing no great trouble has beenexperienced from expansion and contraction. The tem-perature of the air has varied exceedingly. Severalof the joints broke soon after welding, but these wereprobably imperfect welds. These joints were re-welded as soon as the break was
. The street railway review . instances, that after the track has beenfilled in, it is impossible to see the joint in the tread. The greater portion of the time is consumed in pre-paring the joints, moving the machine, setting up thewelder, etc. The machine has been completing 30 to 50joints per day of ten At the present writing no great trouble has beenexperienced from expansion and contraction. The tem-perature of the air has varied exceedingly. Severalof the joints broke soon after welding, but these wereprobably imperfect welds. These joints were re-welded as soon as the break was discovered. No buckling hasthus far been noticeable on the warmest days. Thetrack is filled in as soon as possible after welding, but onseveral occasions, 300 to 500 feet of welded track havebeen left open for several days without bad results. The results have been very satisfactory and the man-agement of the company is very sanguine as to the out-come of the experiment. G. Milton Brown, of theJohnson Company, is in charge of the operations. THE MCOKMICK RAIL. The McCormick combination rail and joint, on whichletters patent have recently been issued, consists of a Trail made in two parts. The form of these parts and themanner of fitting them together may be either as Fig. ior Fig. 2. Fig. 3 shows the metho
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
