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Sectional Rim

Description: Patent for a sectional rim, which provides a sectional demountable tire rim with interlocking means to easily actuate and separate so that the tire can be removed from or applied to the rim.
Date: May 31, 1921
Creator: Williams, Harry S.
Partner: UNT Libraries Government Documents Department

Washing-Machine.

Description: Patent for a washing machine that launders articles of clothing. The machine has a plunger that causes rotary movement allowing cleaning fluid to reach all articles, including illustrations.
Date: May 31, 1921
Creator: Carroll, Houston M., Sr.
Partner: UNT Libraries Government Documents Department

Condenser for Cotton-Presses.

Description: Patent for "Improvements in Condensers for Cotton-Presses," (lines 6-7) including illustrations. The invention is designed with cotton bale presses in mind, specifically the "condenser or bat forming device" (line 11).
Date: May 24, 1921
Creator: Taft, John A.
Partner: UNT Libraries Government Documents Department

Pneumatic Tire.

Description: Patent for improved pneumatic tires for motor vehicles that will prevent deflation when punctured.
Date: May 31, 1921
Creator: Williams, Harry S.
Partner: UNT Libraries Government Documents Department

Gradometer.

Description: Patent for a gradometer "which will accurately indicate under the most varying and unstable conditions the inclination and declination at which any moving body is traveling" (lines 10-13). The gradometer is "particularly adapted for use on motor vehicles" (lines 15-16).
Date: May 17, 1921
Creator: Hall, Sidney Wilson
Partner: UNT Libraries Government Documents Department
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