. The science of railways . ss than ten degrees. The question of widening the gauge on curveshas been discussed ever since railroads were firstconstructed, and no conclusion has yet been ar-rived at. The Roadmasters Association madeenquiries on this subject in 1897, and found notwo railroad systems were using the same widthof gauge for curves of the same degree, and someroads laid track on both curves and tangents tothe same gauge. The present practice of gaug-ing wheels for standard gauge cars leaves a clear- CONSTRUCTING TRACK. 317 oi : I^S^ CO o m 6 < El O C3 Q =? Da t—) J»—I O o Q« P &l


. The science of railways . ss than ten degrees. The question of widening the gauge on curveshas been discussed ever since railroads were firstconstructed, and no conclusion has yet been ar-rived at. The Roadmasters Association madeenquiries on this subject in 1897, and found notwo railroad systems were using the same widthof gauge for curves of the same degree, and someroads laid track on both curves and tangents tothe same gauge. The present practice of gaug-ing wheels for standard gauge cars leaves a clear- CONSTRUCTING TRACK. 317 oi : I^S^ CO o m 6 < El O C3 Q =? Da t—) J»—I O o Q« P < 318 BVILDIXG ASD REPAIIilXG ItAILWAYti. ance of five-eighths to seven-eighths of an men ona four feet eight and one-half iach gauge on atangent. In 189S the Roadmasters Associationrecommended commencing to widen the gaugeOD cui-ves with a seven degree curve. TableNo. 16, Appendix J, gives the amount recom-mended by this Association for widening thegauge for different degrees of ji&l ^ SEXmON CD. Fig. 250. GUARD RAIL, WITH THE HOOK GUARD RAIL, CLAMP.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1900