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Safety-Valve for Water Systems in Connection with Air-Brake Systems.

Description: Patent for a water valve governor for rail cars, which will prevent the water systems that use air from the air brake system from hampering the operation of the brakes.
Date: March 17, 1908
Creator: Scott, William D.
Partner: UNT Libraries Government Documents Department

Hand-Stamp.

Description: Patent for improvements in hand-stamps which “comprised a polygonal block or disk having some of its edges provided with rubber type-strips securely fastened thereto, its other edges cut away to form shoulders, spring-metal guides or holders secured the cut-away portions, and type-strips removably secured in the guides or holders,” (lines 75-82); includes illustration.
Date: March 17, 1891
Creator: Fox, James T.
Partner: UNT Libraries Government Documents Department

Gate.

Description: Patent for a new and improved gate. This design consists in "[t]he combination, with a gate, one of the rails whereof is about thrice as thick as the remainder of said rails, and is provided with a central groove along its upper face, of three supporting-posts, each having a recess furnished with a roller in its lower part, upon which the aforesaid rail may travel, a tongue projecting from the upper edge of said recess into the groove of said rail, and an upright attached to the central post, s… more
Date: March 17, 1885
Creator: Davis, Richard I.
Partner: UNT Libraries Government Documents Department

Screen-Door Brace.

Description: Patent for a screen door supportive brace intended to maintain original rectangular form and designed to be installed without the use of tools. Includes instructions and an illustration.
Date: March 17, 1914
Creator: Morrison, W. A.
Partner: UNT Libraries Government Documents Department

Baling Press Attachment

Description: Patent for baling press attachment. Illustration included.
Date: March 17, 1908
Creator: Jackson, James H.
Partner: UNT Libraries Government Documents Department
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