. Railway age . ISM n liit^ In . Itai. /—S S fl J III. ■ fl, !■ I iiis. Xfl. liijii Ii;.-, II,. ,--7 sfl inlii DCtllw. Fig. 28—Newer Tie SectionB. that the derailment of February. 1907, at Mineral Point, whichwas accompanied by a shearing of the outer bolts, waB not to beascribed to the use of metal, as such, but to the defecta indi-cated. .Moreover. It seemed to me that the track with Carnegieties rode smoothly but somewhat hard. This may be due to thenarrow supporting surface, 6 In., and to the too great stiffness ofthe tie. To be sure, the stiriness U of advantage for static reasons.

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. Railway age . ISM n liit^ In . Itai. /—S S fl J III. ■ fl, !■ I iiis. Xfl. liijii Ii;.-, II,. ,--7 sfl inlii DCtllw. Fig. 28—Newer Tie SectionB. that the derailment of February. 1907, at Mineral Point, whichwas accompanied by a shearing of the outer bolts, waB not to beascribed to the use of metal, as such, but to the defecta indi-cated. .Moreover. It seemed to me that the track with Carnegieties rode smoothly but somewhat hard. This may be due to thenarrow supporting surface, 6 In., and to the too great stiffness ofthe tie. To be sure, the stiriness U of advantage for static it results in a well distributed,but in this case unnecessarily high,pressure on the ballast. The Car-negie tie (several samples talcenfrom track have l)een Idndly fur-nished me by the Carnegie SteelCo.) weighs I()7 lbs., with a supporting area of only fii sQ- IStructural improvements are underway, but it seems to me a mis-take that, in Introducing the steellie in the Inited States so little useshould have been made of the ex-perience that has been gatheredin Ge

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Keywords: ., bookcentury1800, bookdecade1870, bookidrailwayage44, bookyear1870