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Pipe-Cutter

Description: Patent for improvements to pipe-cutters that can cut pipes of different sizes.
Date: February 19, 1918
Creator: Hime, Clint T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Adding-Machine.

Description: 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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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