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Vehicle Air-Brake.

Description: Patent for an air braking system that can be used on bicycles, tricycles or other vehicles. Illustration included.
Date: September 11, 1900
Creator: Donaldson, William John, Jr.
Partner: UNT Libraries Government Documents Department

Shears-Sharpener

Description: Patent for a shear sharpener with a clamp, illustrations included.
Date: September 11, 1900
Creator: Rossler, Konrad
Partner: UNT Libraries Government Documents Department

Bicycle-Frame

Description: Patent for a bicycle frame that can be used on bicycles in general, but is particularly suited for spring frame bicycles including illustrations.
Date: September 11, 1900
Creator: Mills, Virgel H.
Partner: UNT Libraries Government Documents Department

Apparatus for Utilizing Hot Slag for Heating Purposes

Description: Patent for an apparatus which holds molten slag in the exterior chambers of the receptacle such that the interior chambers can receive water to be heated, producing steam and hot air.
Date: September 11, 1900
Creator: Wells, James L.
Partner: UNT Libraries Government Documents Department
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