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Cleaning Apparatus.

Description: Patent for a vacuum for cleaning cotton gins that attaches to the pneumatic elevators generally found in cotton gins.
Date: April 9, 1907
Creator: Sadler, Arthur E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Treating Machine.

Description: Patent for improved cotton treating machine that separates cotton fibers from seeds. This cotton treater keeps the cotton fibers long when separating the seeds, including illustrations.
Date: January 21, 1919
Creator: Cassel, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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