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14 months 3-Way Ride Recorder 69 wires A. S. F. Lateral Recorder A. S. F. Service Laboratory A. S. F. test cars A. S. F. test train American Steel Foundries braking power built instrument table caboose car body bolsters car frame car truck designs car truck performance Cast-iron cated Chicago cording D.C. current ditions electric hoist ends experimental trucks floor freight car truck heavy-duty high speed freight high speed test inspection data recorded installed instrument platform instruments are employed Little Rock lnside locating dowels ment miles per hour Milwaukee Road Missouri Pacific monorail system motor-generator set Observation of Truck observed and recorded operated chain hoist pendulum phase of truck R-S 3-Way Ride record charts recording elements right-of-way details road and lading safety scientific instruments speed freight car speed test run Speedometer Steel Foundries engineers struments tacles Test car ASFX-1941 test crew testing freight car tion unloading York Central