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Rotary Engine

Description: Patent for a rotary engine. Illustrations included.
Date: July 13, 1909
Creator: Nichols, Franklin P.
Partner: UNT Libraries Government Documents Department

Rice-Huller

Description: Patent for a rice huller designed to remove the coatings and hulls from rice grains. Illustrations included.
Date: April 13, 1909
Creator: Hayes, Daniel J.
Partner: UNT Libraries Government Documents Department
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