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Pumping-Engine.

Description: Patent for a pumping engine that pumps air, water, oil, or other agents. It was designed to be used for air pumps on locomotives, inflating tires on automobiles, pumping water in steam operated machines, and other uses.
Date: June 5, 1917
Creator: Allison, Jesse H.
Partner: UNT Libraries Government Documents Department

Baling-Press

Description: Patent for bailing press including improvements in the compressor, feeder, and plunger-actuating mechanisms.
Date: June 5, 1917
Creator: North, George W.
Partner: UNT Libraries Government Documents Department
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