UNT Libraries Government Documents Department - 2 Matching Results

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Improvement in Tanning.

Description: Patent for improvements in tanning materials: "extractive matter for the manufacture of leather from the wood and bark of the mesquit - a tree of extensive growth on the prairies of western and north western Texas" (lines 9-13).
Date: December 5, 1865
Creator: Park, John E.

Improved Saw-Gummer.

Description: Patent for a machine that uses a grindstone to sharpen rotary saws. Includes instructions and illustrations.
Date: July 4, 1865
Creator: Fosterm A. K.