. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . lix. NorthernFir. LandesPine. Beech. Oak. Diameterof Holein Wood. Inches. Inches. Pounds. Pounds. Pounds. Pounds. Inches. Remarks. New Wood Currently Employed in Tracks 1875 5,733 9,48110,143 9,923 10,58411,576 12,84412,458 0 See Re\iie Generale, 1881 July, trials. 1889 Rolled screw spikes, 1889 24 trials. 1889 10 trials. 1891 11,378 1889 12,348
. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . lix. NorthernFir. LandesPine. Beech. Oak. Diameterof Holein Wood. Inches. Inches. Pounds. Pounds. Pounds. Pounds. Inches. Remarks. New Wood Currently Employed in Tracks 1875 5,733 9,48110,143 9,923 10,58411,576 12,84412,458 0 See Re\iie Generale, 1881 July, trials. 1889 Rolled screw spikes, 1889 24 trials. 1889 10 trials. 1891 11,378 1889 12,348 4 trials. Wood Having Been 9 Years in Track 1889 10,14311,576 10 trials. 1889 Fig. 110 shows a machine used on the Atchison, Topeka and Santa Fefor preparing ties for screw spikes. Wooden dowels as shown in Fig. Ill arescrewed into the ties.* Table XXVII gives the cost of equipping a mile of trackwith screw spikes, the estimate being based on work actually done on a sectionof track five miles in length on the Illinois division of the railway. * Railroad Age Gazette, December 24, 1909. 142 STEEL RAILS. Fig. 110. — Machine Preparing Ties for Screw Spikes. (Railroad Age Gazette.)
Size: 2669px × 936px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913
