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Draft-Equalizer

Description: Patent for a device that can be attached to the draft tongue of an animal-drawn agricultural machine to equalize resistance and allow it to be drawn evenly in a straight line.
Date: December 25, 1917
Creator: Butts, Jim P.
Partner: UNT Libraries Government Documents Department

Shoe-Dauber

Description: Patent for a shoe dauber "in which the polishing solution will be automatically supplied to the daubing head as it is moved over the shoe" (lines 13-15) including instructions and illustrations.
Date: May 28, 1918
Creator: Dover, Devoe
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for a plow that can be adjusted to plow to different depths.
Date: January 28, 1913
Creator: Rogers, Anderson Layne
Partner: UNT Libraries Government Documents Department
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