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Windmill

Description: Patent for an improvement of windmills.
Date: October 18, 1887
Creator: Vanmeter, James Wright
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for an improvement in pumps.
Date: September 18, 1888
Creator: Vanmeter, James Wright
Partner: UNT Libraries Government Documents Department

Aeroplane-Tail.

Description: Patent for improvements to the tail of aeroplanes. This invention is to be used to help control the flight of planes or heavy projectiles, and would not have effects on the equilibrium or be difficult to use.
Date: January 18, 1921
Creator: Krowka, Joseph M.
Partner: UNT Libraries Government Documents Department
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