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Draft Equalizer.

Description: Patent for improvement to draft-equalizers.
Date: April 17, 1900
Creator: Billington, Wesley E.
Partner: UNT Libraries Government Documents Department

Washboard

Description: Patent for an improved washboard, that will be "simple, inexpensive, and efficient" while allowing water to fully drain from it after washing is finished, including illustrations.
Date: July 17, 1900
Creator: Bailey, Robert E.
Partner: UNT Libraries Government Documents Department

Machine for Grinding Disks.

Description: Patent for improvements in grinding-machines in which it can “hold the disk rigidly at a desired angle and can be adjusted from or toward a grinding device;” (lines 13-15) by using a “combination of an adjustable gear, a grinding-wheel and means for imparting motion from the grinding-wheel to the gear; of a spring-pressed roller above the gear and adapted to hold a disk thereon in contact with the wheel.” (Page 2, lines 65-70) Illustration is included.
Date: March 17, 1903
Creator: Shipp, Abijah T.
Partner: UNT Libraries Government Documents Department
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