. Report of draft gear tests, United State Railroad administration, Inspection and test section; . Test Gear in Car -ATest Gear CarS 17me — Seconds. Figs. 75b and 75c—Car-Movement Curves, Superimposed. National M-l GearsThese Curves Drawn by Cars in Test Draft Gear Tests of the U. S. Railroad Administration 175. So/id Buffer //?Cor Geor /r? Cor,/mpoct Ve/oc/ty=$ MP/ 0 OS Sec Gear ——!-—- ./5 .20 0/7/ -Sec. Gear Sec Draff Gear Cyc/e—

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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1920, bookyear1921