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Improvement in Plows.
Patent for the improvement of the Rotary-Disk Cutters for plows that enable it to swivel and be supported by guides, including illustration.
Date:
April 3, 1855
Creator:
Hall, Thomas J.
System:
The Portal to Texas History
Improvement in Gang-Plows.
Patent for the improvement of the gang plow by the plows arrangement and pivoted beams to be adjustable for convenience, including illustration.
Date:
May 1, 1855
Creator:
Hall, Thomas J.
System:
The Portal to Texas History