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Pump

Description: Patent for a pump for the purpose to pump out rising water in deep wells. Illustrations included.
Date: December 6, 1904
Creator: Leithauser, Peter Jerome
Partner: UNT Libraries Government Documents Department

Disk Cultivator

Description: Patent for an improvement on disk cultivators. This makes it easier to arrange the wheels on the disk cultivators to be able to work on the soil on land of different shapes and sizes.
Date: December 30, 1914
Creator: Craddock, John E.
Partner: UNT Libraries Government Documents Department
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