Commisson the standard height of drawbars for freight cars, measured perpendicular from the level of the tops of the rails to the centers of the drawbars, for... Annual Report - Page 23by Michigan Railroad Commission - 1904Full view
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Master Car Builders' Association - Railroad cars - 1903
...when car is light. Adopted in 189o ; see Proceedings 189o and 1893. The standard height of couplers for freight cars, measured perpendicular from the level of the tops of rails to center of couplers, adopted in 1893, is 34^ inches, with no greater variation allowable than...