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Insecticide Composition.

Description: Patent for an insecticide to kill red ants and "other noxious insects" (line 9).
Date: March 24, 1885
Creator: Howard, Frank M.
Partner: UNT Libraries Government Documents Department

Track-Leveling Device.

Description: Patent for a railroad track leveling device, which attaches to the rails without the use of screws and can be used to detect low places and misalignment's of the track.
Date: August 24, 1909
Creator: Warren, Edwin A.
Partner: UNT Libraries Government Documents Department

Clothes-Pin

Description: Patent for a clothes pin. Illustrations included.
Date: December 24, 1907
Creator: Cooke, Jasper Newton & Moeller, John Charles
Partner: UNT Libraries Government Documents Department
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