NEB&W Guide to Dump Cars

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Last Update: 2008-01-04

MOW Table of Contents
Freight Car Guide Table of Contents
Rolling Stock Table of Contents

This section is basically covering the gons with the giant air pistons to tilt the top of the car, not ALL cars that dump.
Got to thinking about this. The air cylinders must have been activated off the train air line, which in turn means this can't predate the general acceptance of air brakes.