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Educational Appliance.

Description: Patent for an educational appliance that is meant to be used for teaching math mechanics and physics. It easily demonstrates principles of mechanics and physics that involve quantities.
Date: September 26, 1893
Creator: Macfarlane, Alexander
Partner: UNT Libraries Government Documents Department

Cultivator Shovel

Description: Patent for a small shovel, with a blade that can be detached for repairs or replacement.
Date: September 26, 1916
Creator: Abramson, August
Partner: UNT Libraries Government Documents Department

Commode-Seat.

Description: Patent for a commode/toilet seat and storage cabinet that holds multiple seats that can be used to provide individual seats for each person using the commode/toilet.
Date: September 26, 1911
Creator: Ainsworth, Lucian M.
Partner: UNT Libraries Government Documents Department

Hydrant Valve.

Description: Patent for an improved valve for hydrants that, when closed, allows water to drain out of the riser and bib, preventing freezing. Includes illustrations.
Date: September 26, 1911
Creator: Ziller, William
Partner: UNT Libraries Government Documents Department

Clock-Winding Mechanism.

Description: Patent for "an improved mechanism for the periodical automatic winding of clocks by water power, and has for its object to provide an apparatus that will be adapted to utilize the power afforded by the gravity of water discharged at regular intervals from a tank, which is in an elevated position and is supplied with water by rain fall or other means" (lines 8-16).
Date: September 26, 1893
Creator: Everhart, Martin
Partner: UNT Libraries Government Documents Department
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