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Plow Colter

Description: Patent for plow colter. Illustration included.
Date: September 5, 1905
Creator: Cone, Jesse Fielder
Partner: UNT Libraries Government Documents Department

Railway Crossing Gate

Description: Patent for an automatic railway crossing gate. Illustration included.
Date: September 5, 1905
Creator: Miller, John D.
Partner: UNT Libraries Government Documents Department

Engine Valve Mechanism

Description: Patent for an engine valve mechanism. This invention is a "class of steam engines wherein the cylinder-inlet and exhaust-ports are controlled by separate and distinct values." Illustration included.
Date: September 5, 1905
Creator: Moore, Ezra G. & Moore, Frank T.
Partner: UNT Libraries Government Documents Department

Breast Pump

Description: Patent for a maual breast pump. Illustration included.
Date: September 5, 1905
Creator: Ezell, Uberto Desaix
Partner: UNT Libraries Government Documents Department
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