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Improvement in Machines for Making Plow-Irons.
Patent for an improvement in the design for machines for manufacturing plow irons, including illustrations.
Date:
March 4, 1873
Creator:
McGinty, James M. & Nolan, Thomas.
System:
The Portal to Texas History
Improved Saw-Gummer.
Patent for a machine that uses a grindstone to sharpen rotary saws. Includes instructions and illustrations.
Date:
July 4, 1865
Creator:
Fosterm A. K.
System:
The Portal to Texas History