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Adding-Machine.
Patent for a new and improvement in adding-machines in which a mechanical wheel has teeth. " The object of the invention is to provide the means for adding columns of figures by machinery"(lines 13-15), with instruction and illustration
Date:
February 12, 1884
Creator:
Barmore, Albert King
System:
The Portal to Texas History
Improvement in Machines for Bending Stirrups.
Patent for an invention that "is to provide a simple and efficient machine for bending and shaping stirrups for saddles" (lines 10-12). The patent includes instructions and an illustration.
Date:
February 1, 1870
Creator:
Forest, Demsey
System:
The Portal to Texas History
Pipe-Cutter
Patent for improvements to pipe-cutters that can cut pipes of different sizes.
Date:
February 19, 1918
Creator:
Hime, Clint T.
System:
The Portal to Texas History