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Pneumatic Rail-Brake.

Description: Patent for a pneumatic rail brake, which operates automatically to prevent derailment.
Date: March 30, 1909
Creator: Adams, Powell Orgain
Partner: UNT Libraries Government Documents Department

Railway-Crossing

Description: Patent for crossings for railway tracks and particularly to means for closing the cut in the rails made for the flanges of the wheels, and the object is to provide sliding members which can be easily operated to close the slot or cut in the crossing rails for the flanges of the wheels so that a continuous tread will be formed for every wheel that passes over the crossing and to provide a mechanism for the tracks.
Date: March 30, 1909
Creator: Adams, Powell O.
Partner: UNT Libraries Government Documents Department
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