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Poultry Appliance.

Description: Patent for a new poultry device meant to dispense and apply oil or liquids that kill unwanted creatures while the poultry are drinking.
Date: May 5, 1914
Creator: Sheldon, Clarence O.
Partner: UNT Libraries Government Documents Department

Dental Handpiece

Description: Patent for a dental handpiece. Illustrations included.
Date: April 5, 1904
Creator: Crawford, Lyter H.
Partner: UNT Libraries Government Documents Department

Hood For Cactus-Burners.

Description: Patent for a new and useful improvement in hoods for cactus burners, including instructions and illustrations.
Date: December 5, 1899
Creator: Snowden, Lewis W.
Partner: UNT Libraries Government Documents Department

Engineer's Level-Rod.

Description: Reissued patent for an improvement in engineer's level which introduces a novel manner of marking the scale upon the face of the rod.
Date: April 5, 1881
Creator: Lynch, Michael L.
Partner: UNT Libraries Government Documents Department
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