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Car-Loading Device

Description: Patent for a device used in the loading of train cars with reduced manual effort.
Date: November 16, 1914
Creator: Davison, George E.
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
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