. American engineer and railroad journal . ually fixed by the mileage run, theauthor states that it is not a fair criterion to judge by, and the timeshould be fixed by some means of measuring the vibrations. The author gives a detailed account of a number of experimentshe made with wheels with varying counterweights in varying , and of the method of finding the counterweights necessaryfor compensating the eccentrical position of the center of gravity ofthe wheels, and states that the vibrations produced under (1) canbe removed by the use of counterweights.—Inst. C. E. ForeignAbstract
. American engineer and railroad journal . ually fixed by the mileage run, theauthor states that it is not a fair criterion to judge by, and the timeshould be fixed by some means of measuring the vibrations. The author gives a detailed account of a number of experimentshe made with wheels with varying counterweights in varying , and of the method of finding the counterweights necessaryfor compensating the eccentrical position of the center of gravity ofthe wheels, and states that the vibrations produced under (1) canbe removed by the use of counterweights.—Inst. C. E. ForeignAbstracts. Currans Pipe Tapping Device. The accompanying illustration shows the construction of a de-vice for tapping water mains without interfering with the cur-rent therein or causing leakage during or after the engraving shows a side view partly sectioned, a plan and aportion of a modification of the device. A represents the water-main, and B the branch nozzle, pro-vided with a curved flange to fit around the main. Theextremi-.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
