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Turbine Wheel.

Description: Patent for a new and improved turbine wheel. This design eliminates water friction and alleviates pressure on suspended buckets, causing them to last longer.
Date: August 17, 1880
Creator: Hallenbeck, Matthew L.
Partner: UNT Libraries Government Documents Department

Screen.

Description: Patent for a new and improved insect screen. This design consists in "the combination, with the wire frame and the base to which the ends of the wires of said frame are connected, of the auxiliary strands bracing the arch-wire of said frame, and the book-holder having the upper end of its supporting-wires bent and connected to the longitudinal wire of said frame" (lines 18-24).
Date: May 17, 1887
Creator: Rice, Robert G.
Partner: UNT Libraries Government Documents Department
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