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Stone Dressing Machine (open access)

Stone Dressing Machine

Patent for a stone dressing machine. Illustration included.
Date: December 11, 1906
Creator: Rhea, Learner T.
System: The Portal to Texas History
Cotton Chopper and Cultivator (open access)

Cotton Chopper and Cultivator

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
System: The Portal to Texas History