. Report of draft gear tests, United State Railroad administration, Inspection and test section; . T/me—Seconds Dotted lines represent instantaneous car velocities as de-determined from the original car-movement curves. The irregularities are due in general to vibrations of thecar structure induced by draft gear lines represent the mean velocity curves. Figs. 85d, 85e and 85f—Velocity Curves, Waugh Plate Gears Draft Gear Tests of the U. S. Railroad Administration 245

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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1920, bookyear1921