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Linting Machine.

Description: Patent for a linting machine (Carver type) that contains an air pocket at the end of the passage to prevent cotton from clogging the machine.
Date: August 10, 1920
Creator: Woodrow, George N. & Bruce, Thomas D.
Partner: UNT Libraries Government Documents Department

Method of Sealing The Walls of Oil-Wells

Description: Patent for a method of sealing oil wells to avoid applying casing to the wells to prevent leakage, seepage, or cave-ins.
Date: December 7, 1920
Creator: Nolan, William E.
Partner: UNT Libraries Government Documents Department
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