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Valve

Description: Patent for a valve for rotary steam engines.
Date: November 26, 1912
Creator: Faulkner, Thomas F.
Partner: UNT Libraries Government Documents Department

Framing-Tool

Description: Patent for a framing tool designed to ease the laying of "rafters, stair carriages and the like" (lines 14-15). The tool assists in measuring proper "dimensions of cuts to be made in timber to accomplish desired construction" (lines 19-20).
Date: September 26, 1911
Creator: Whitlock, John N.
Partner: UNT Libraries Government Documents Department

Aeroplane

Description: Patent for an improvement to aeroplanes which includes movable horizontal and vertical planes (or curtains).
Date: March 26, 1912
Creator: Blewett, Baxter W.
Partner: UNT Libraries Government Documents Department
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