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Safety Attachment for Railway-Car Trucks.

Description: Patent for a safety attachment for railway car trucks that applies the air brakes whenever the wheels derail or an axle breaks. The safety attachment includes a unitary skid or shoe, as well as a system of levers per shoe that controls the air brakes.
Date: October 11, 1921
Creator: Pittman, Carl L.
Partner: UNT Libraries Government Documents Department
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