. Report of the chief of the Division of Safety covering the investigation of an accident which occurred on the Baltimore . i_> No. 5. -Marks stamped on end of fractured journal 7 13 100 B L W, indicathudate wheel was pressed on axle and pressure, in tons, used. The results of the chemical analyses were as follows: Location. Fractured end of axle: Near circumference One-quarter below surfaceCenter of section Intact end of axle: Near circumference One-quarter below surface(enter of section Carbon Sulphur. Phos-phorus. Per cent. Per cent. Per cent. .37 .038 .023 .38 .039 .025
. Report of the chief of the Division of Safety covering the investigation of an accident which occurred on the Baltimore . i_> No. 5. -Marks stamped on end of fractured journal 7 13 100 B L W, indicathudate wheel was pressed on axle and pressure, in tons, used. The results of the chemical analyses were as follows: Location. Fractured end of axle: Near circumference One-quarter below surfaceCenter of section Intact end of axle: Near circumference One-quarter below surface(enter of section Carbon Sulphur. Phos-phorus. Per cent. Per cent. Per cent. .37 .038 .023 .38 .039 .025 .40 .037 .025 .37 .040 .025 .39 .039 .024 Manga-nese. Per cent. .47 OCCIDENT NEAR WOODLYN, PA. 9 Hardness tests by means of the scleroscope were made on the sur-face of the wheel lit. near the place of fracture, and on two cross sec-tions in the same vicinity. On the surface of the wheel lit. near theplace of fracture, the hardness ranged from 3] to II. The hardermetal was on the side of the axle first to rupture. On the two crosssections the hardness ranged from 23 to 28. The higher values atthe surface of the
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbaltimoreandohiorail
