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Excavating and Grading Machine.
Patent for a cultivating machine that pulverizes colds of soil using a revolving cylinder of blades, including illustration.
Date:
July 19, 1859
Creator:
Morrel, Z. N.
System:
The Portal to Texas History
Improvement in Cotton-Gins.
Patent for the improvement of the cotton-gin by the arrangement of two cylindrical brushes and rollers to reduce damaging the staple of the cotton, illustrations included.
Date:
April 19, 1859
Creator:
Gottheil, Edward
System:
The Portal to Texas History