(under subclass 1.1) Rolling stock of such configuration that ambient air is forced vertically upward by the rolling stock passing therethrough; or including a tublike passage to direct air from a high pressure surface of the rolling stock to a relatively low pressure surface thereof.
(1) Note. Control of vertical movement of air, e.g., provision to prevent disturbance of overhead power lines, is included herein.
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74, for a locomotive having an inclined planar surface intended to react with ambient atmosphere to increase downward pressure on the wheels to thereby increase traction.