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Reversible Garden-Plow.

Description: Patent for a walking-plow with simple and compact construction. The depth for plowing is adjustable to height of individual operating.
Date: December 23, 1902
Creator: Nicholas, Joseph W.
Partner: UNT Libraries Government Documents Department

Canning Furnace

Description: Patent for a canning furnace. Illustration included.
Date: March 23, 1909
Creator: May, Callie C.
Partner: UNT Libraries Government Documents Department
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