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Improvement in Spike-Extractors.

Description: Patent for "an improvement in the class of nail-extractors in which a gripe or grapple formed of pendent springs or hinged jaws is employed." (lines 7-10) including instructions and illustrations.
Date: September 29, 1874
Creator: Devine, William
Partner: UNT Libraries Government Documents Department

Water-Elevator.

Description: Patent for a water elevator that is composed of a band with buckets attached that goes around the structure in a circle delivering water.
Date: September 5, 1911
Creator: Thompson, James W. & Hathaway, James F.
Partner: UNT Libraries Government Documents Department

Protecting Shores.

Description: Patent for certain new and useful improvements in protections for river banks and coast washing, including instructions and illustrations.
Date: September 27, 1898
Creator: Brooks, Samuel W.
Partner: UNT Libraries Government Documents Department

Primer for Cannon.

Description: Patent for a new and improved primer for cannons. This design corrects the loosening of primers in their vent-holes by way of "a spring combined with the priming tube, which spring expands to the size of the vent" (para. 3). This eliminates blowouts and premature breakage.
Date: September 14, 1880
Creator: Rodman, John Black
Partner: UNT Libraries Government Documents Department
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