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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

Churn-Body.

Description: Patent for a churn body with a temperature regulator for the cream.
Date: December 13, 1910
Creator: Liles, William W.
Partner: UNT Libraries Government Documents Department
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