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Cactus Burner.
Patent for a cactus burner that burns spines off of cacti using a liquid fuel burner. Document explains the different parts of the cactus burner and why it is an improvement over current ones in use.
Date:
April 15, 1913
Creator:
Ploch, Alex
System:
The Portal to Texas History
Wrench.
Patent for a nut-wrench capable of tightening different sized nuts. The lower jaw of the wrench has different levels, the overall effect being that of a staircase, while the upper jaw is flat with a bite that holds the nuts in place.
Date:
December 15, 1896
Creator:
Tiner, John F.
System:
The Portal to Texas History