. Report on the substitution of metal for wood in railroad ties . .S^-;;_^Z|^^. /. POSTS TIE BED PLATE 29 ties, expresses liis entire sjitistiietion witli tiie use of the Servis |»lal(\and says: Their use has so thoroughly (UMiioiistratcd their <;roiit hcnelif, not only aa a hrdl)hite but also as a rail brace, ktMpiii!:: the track from spreading, that they now re-ceive the hearty coininendation of all our trackiiuii. From these remarks we may infer that the l)ed-i)hite, like all otherparts of railroad construction, must be adjusted to the special condi-tions of track and traftic. What is sa
. Report on the substitution of metal for wood in railroad ties . .S^-;;_^Z|^^. /. POSTS TIE BED PLATE 29 ties, expresses liis entire sjitistiietion witli tiie use of the Servis |»lal(\and says: Their use has so thoroughly (UMiioiistratcd their <;roiit hcnelif, not only aa a hrdl)hite but also as a rail brace, ktMpiii!:: the track from spreading, that they now re-ceive the hearty coininendation of all our trackiiuii. From these remarks we may infer that the l)ed-i)hite, like all otherparts of railroad construction, must be adjusted to the special condi-tions of track and traftic. What is satisfactory and sufficient in onecase mny not be so under chaii<ied conditions. The Perkins tie-plate, restino- on a thin wooden block placed on thetie avoids the cutting- into the tie by the rail llanges, but, besides otberdisadvantages, is apt to reduce the efficiency of the fastenings, therebyfailing in one important otlfice of the ideal plate. Other bed-plates which strive to meet more of the requirements madeby Mr. Post, as stated above, are the Thomson (Pennsylvania Ra
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Keywords: ., bookauthorfernowbe, bookcentury1800, bookdecade1890, bookyear1890
