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Improvements in Wheel-Plows.

Description: Patent for an improvement in riding attachment for plows.
Date: September 21, 1875
Creator: Flow, James
Partner: UNT Libraries Government Documents Department

Improvement in Adding-Machines.

Description: Patent for an improved adding-machine design.
Date: December 7, 1875
Creator: Butt, Dennis, L. R.
Partner: UNT Libraries Government Documents Department
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