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Nut Lock

Description: Patent for a nut lock. The nut lock consists "of a double threaded bolt having two oppositely threaded nuts thereon and a locking washer" (line 17-19). Illustration included.
Date: May 10, 1904
Creator: Hopping, Samuel Miller
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Swing.

Description: Patent for a new and improved swing. This design consists in "[t]he combination, with the two folding frames, provided with jointed braces, of the horizontal cross-bars secured to said frames, the swinging arms pivoted to said bars and also to the car, cross-bars secured to these arms, [and] the curved levers" (lines 95-100). Said curved levers are hinged to "the cross-bars, [and] the crossed ropes or chains [are] connecting the short arms of said levers to the cross-bars, and the pull-cords [a… more
Date: May 10, 1887
Creator: Rigby, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Refining and Ageing Liquors.

Description: Patent for improvement in refining and ageing liquors, including an illustration. The process includes expelling air from distilled liquors, heating them to a boiling point and then cooling them in a waterbath, through the use of a closed, air-tight vessel surrounded by an open water-vessel.
Date: May 10, 1870
Creator: Gilman, Samuel H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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