. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . Fig. 314. — Rail B Center of Head,46 Dia. — Campbell. Fig. 315. — Rail A Center of Head,46 Dia. — Campbell. Fig. 314 is from the center of the head of B 315 is from the center of the head of A Figs. 812 and 313 appear similar. Figs. 314 and 315 show the realdifference between the two rollings. The last pass does very little work; there- 432 STEEL RAILS fore, holding the rail before the last pass does little good, except on the outersurface of
. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . Fig. 314. — Rail B Center of Head,46 Dia. — Campbell. Fig. 315. — Rail A Center of Head,46 Dia. — Campbell. Fig. 314 is from the center of the head of B 315 is from the center of the head of A Figs. 812 and 313 appear similar. Figs. 314 and 315 show the realdifference between the two rollings. The last pass does very little work; there- 432 STEEL RAILS fore, holding the rail before the last pass does little good, except on the outersurface of the rail, and a low shrinkage or finishing temperature does not neces-sarily mean that the rail will have a good grain Fig. 316. — Top View at Top of Head, 70 lb. Rail,50 Dia. (Am. Ry. Eng. Assn.) Fig. 317. — Top View at Center of Head,70-lb. Rail, 50 Dia. (Am. Ry. Eng. Assn.)
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Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913
