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in subjects: "air brakes"  
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Train-Pipe Coupling.

Description: Patent for a coupling for trains air brake hoses/pipes, which automatically connects when train cars are put together.
Date: August 11, 1908
Creator: Felkner, William G.
Partner: UNT Libraries Government Documents Department

Safety-Valve for Water Systems in Connection with Air-Brake Systems.

Description: Patent for a water valve governor for rail cars, which will prevent the water systems that use air from the air brake system from hampering the operation of the brakes.
Date: March 17, 1908
Creator: Scott, William D.
Partner: UNT Libraries Government Documents Department

Electrically Operated Air Brake System

Description: Patent for an electrically operated air brake system.
Date: August 25, 1908
Creator: Mayo, William C.
Partner: UNT Libraries Government Documents Department
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