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Valve-Gear.

Description: Patent for a horizontally arranged cylinder that when used would bear no wear indefinitely. The cylinder was made specifically for steam engines.
Date: June 29, 1915
Creator: Burrow, Edgar A.
Partner: UNT Libraries Government Documents Department

Draft Device

Description: Patent for a draft device for agricultural machines. Illustrations included.
Date: November 29, 1910
Creator: Dowdy, Ewell Monroe
Partner: UNT Libraries Government Documents Department

Cultivator

Description: Patent for a cultivator. Illustrations included.
Date: November 29, 1910
Creator: Dowdy, Ewell Monroe
Partner: UNT Libraries Government Documents Department

Governor

Description: Patent for Governor that improves upon a speed controlling mechanism, specifically for controlling a reciprocating element like an engine piston, including illustration and instructions. This application is a division of an earlier application (Serial Number: 843, 812 submitted June 08, 1914).
Date: June 29, 1915
Creator: Burrow, Edgar A.
Partner: UNT Libraries Government Documents Department

Engine.

Description: Patent for new steam engine design with illustrations
Date: June 29, 1915
Creator: Burrow, Edgar A.
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for "an automatic link-coupler which shall embody strength, simplicity, certainty of action, and adaptability for manipulation without entering between the cars and without necessity of relieving strain." (Lines 9-13) Includes instructions and illustrations.
Date: June 29, 1897
Creator: Martin, David D.
Partner: UNT Libraries Government Documents Department
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