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Improvement in Cotton-Choppers.

Description: Patent for an improved cotton-chopping machine, including illustrations.
Date: August 10, 1874
Creator: Burnham, Theodore C.
Partner: UNT Libraries Government Documents Department

Sifter

Description: Patent for a flour sifter with a double sieve and agitator that can be operated simultaneously. Both sieves are detachable for cleaning.
Date: August 10, 1915
Creator: Green, Shirley M.
Partner: UNT Libraries Government Documents Department

Resuscitating Apparatus

Description: Patent for a respiratory or resuscitating apparatus that can be quickly attached and easily manipulated. Illustrations and instructions are included.
Date: August 10, 1897
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department
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