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Improvement in Gang Plow and Cultivator.

Description: Patent for "a new and improved gang plow and cultivator" (lines 3-4), including instructions and illustrations. "This invention relates to a new agricultural machine which may be readily changed from a gang-plow into a cultivator, and vice-versa" (lines 15-17).
Date: December 18, 1877
Creator: Domschke, Charles
Partner: UNT Libraries Government Documents Department

Germ-Destroyer for Telephone-Mouthpieces.

Description: Patent for destroying disease causing germs in the mouth-piece of a telephone.
Date: December 18, 1900
Creator: Lacey, Lewis Lorenzo
Partner: UNT Libraries Government Documents Department
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