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Fluid-Operated Signal

Description: Patent for a fluid operated signal with illustrations. The device would allow communication between a train engineer and a caboose conductor through a device that utilizes the fluid-pressure brake system of the freight train.
Date: September 30, 1902
Creator: Bell, Chester L.
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Partner: UNT Libraries Government Documents Department

Bolster-Standard.

Description: Patent for a durable, simple, and easily applied bolster-standard meant to be secured to the bolster and does not allow the bolster to split or crack.
Date: July 30, 1895
Creator: Bennett, Thomas H.
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Partner: UNT Libraries Government Documents Department

Billiard Cue

Description: Patent for an improved billiard cue with a tip that can be quickly and easily removed and replaced by another and that will be adapted to hold a quantity of powdered chalk for use when needed.
Date: August 30, 1898
Creator: Farrand, James W.
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Partner: UNT Libraries Government Documents Department

Dirigible Headlight

Description: Patent for improving headlights for automobiles and other vehicles. Improvements include simpler, yet effective, connectivity between the head lamps and the steering mechanism.
Date: August 30, 1921
Creator: Davis, Robert E.
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Partner: UNT Libraries Government Documents Department

Contact-Shoe for Automatic Train-Stops.

Description: Patent for a new contact shoe, used in rail transport, attached to the train car to conduct automatic stops despite possible hazards through the use of magents and electricity, including illustrations .
Date: March 30, 1920
Creator: Bulla, Melbern Bernie
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Partner: UNT Libraries Government Documents Department
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