. Report of draft gear tests, United State Railroad administration, Inspection and test section; . TTme — Seconcte Figs. 87a, 87b and 87c—Car-Movement Curves, Superimposed, Harvey SpringsThese Curves Drawn by Cars in Tests 1? 256 Draft Gear Tests of the U. S. Railroad Administration. Solid Buffer /n Car Gear No. 55 /n Car Ve/oc/ty= Ft per sec. ■— Ft per sec figureTS7c/ OS Sec. 6eor —— ./O V5 Sec. Gear Re/ease 0/26 Sec. Draft Gear Cyc/e- 25 30 35 40 45

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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1920, bookyear1921