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Pump System.

Description: Patent for a pump system with an improved air compressor for use in cars that produces a very quiet engine.
Date: July 25, 1911
Creator: Read, William K.
Partner: UNT Libraries Government Documents Department

Cross-Tie.

Description: Patent for a railroad cross tie made of concrete and metal, which can be attached without spikes or bolts.
Date: October 24, 1911
Creator: Whaley, Albert L.
Partner: UNT Libraries Government Documents Department
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