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Stone Dressing Machine

Description: Patent for a stone dressing machine. Illustration included.
Date: December 11, 1906
Creator: Rhea, Learner T.
Partner: UNT Libraries Government Documents Department

Cotton Chopper and Cultivator

Description: Patent for "a machine of this class which shall be simple in construction, durable, and effect ive in operation, and which may be easily manipulated" (lines 11-14).
Date: March 11, 1890
Creator: Porter, William Daniel
Partner: UNT Libraries Government Documents Department
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