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Photographic-Printing Machine
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.
System:
The Portal to Texas History
Draft-Equalizer
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.
System:
The Portal to Texas History
Cotton-Harvester
Patent for improvements in construction and arrangement of machines that harvest cotton.
Date:
July 2, 1889
Creator:
Cunningham, James Franklin, Sr.
System:
The Portal to Texas History