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Improvement in Picket-Fences.

Description: Patent for a new design for a picket fence which is simple in construction and inexpensive in manufacture.
Date: December 24, 1872
Creator: Willhite, Joseph
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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