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Chemical Composition

Description: Benjamin R. Harris' legal patent from the United States Patent Office, on the chemical compositions he created which are products with hydrophyllic characters and explaining how he forms them.
Date: December 3, 1935
Creator: Harris, Benjamin R.
Partner: Moody Medical Library, UT

Wagon-Body

Description: Patent for "new and useful improvements in wagon-bodies, having for its object simplicity and durability," (lines 10-12) including illustrations.
Date: December 27, 1887
Creator: Folsome, Charles F.
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for improvement in plows: "The invention consists in so attaching a revolving disk, cutter, or colter to the beam of the plow that it will rotate on its own axis, and vibrate laterally, to accommodate itself to the line of draft or direction of the beam of the plow; also, in the means used by which the revolving cutter or colter is attached to the beam of the plow, and having the means of swiveling or turning in the beam to accommodate itself to the line of draft of the plow" (lines 22-3… more
Date: December 28, 1869
Creator: Hall, Thomas J.
Partner: UNT Libraries Government Documents Department

Syringe

Description: Patent for a syringe. Illustrations included.
Date: December 15, 1908
Creator: Hill, Hiram McClung & Farrington, Charles Oliphint
Partner: UNT Libraries Government Documents Department

Journal-Bearing.

Description: Patent for a journal-bearing that has an open spring ring that contains the journal and antifriciton devices in its center. The spring ring contracts to its minimum circumference when the journal and antifriciton devices are worn out. There is also a bearing-ring seat that allows contractions "without altering the disposition of the load" (lines 61-62).
Date: December 1, 1896
Creator: Woodworth, Charles H.
Partner: UNT Libraries Government Documents Department

Safety-Catch for Mine-Cages

Description: Patent for a safety catch to stop falling mine cages.
Date: December 29, 1908
Creator: Martini, Henry
Partner: UNT Libraries Government Documents Department
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