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Photographic-Printing Machine

Description: Patent for a photo printing machine that can be used in dark rooms. Illustrations included.
Date: January 2, 1912
Creator: Higginbotham, Toliver S. & Higginbotham, Ezekiel H.
Partner: UNT Libraries Government Documents Department

Draft-Equalizer

Description: Patent for a draft-equalizer which is an apparatus adapted to be used for, "three draft animals, one pulling against two animals.
Date: March 2, 1915
Creator: McCall, Robert A.
Partner: UNT Libraries Government Documents Department

Cotton-Harvester

Description: Patent for improvements in construction and arrangement of machines that harvest cotton.
Date: July 2, 1889
Creator: Cunningham, James Franklin, Sr.
Partner: UNT Libraries Government Documents Department
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