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Puzzle.
Patent for a simply constructed puzzle with a difficult solution, "but may be accomplished by the exercise of care, skill, and ingenuity in the manipulation of the device" (lines 15-18). It is a rectangular box with eight balls, four of which fit into holes in the corners of the box. There are segmented walls surrounding the holes.
Date:
January 5, 1897
Creator:
Collis, Michael Francis
System:
The Portal to Texas History
Self Heating Branding Iron.
Patent for a self heating branding iron, which allows for branding irons to be easily attached and detached from portable sources of fuel.
Date:
January 14, 1902
Creator:
Lowe, Marvel Avander
System:
The Portal to Texas History