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Cotton-Boll-Cleaning Machine. (open access)

Cotton-Boll-Cleaning Machine.

Patent for a more practical and compact cotton boll cleaning or ginning machine.
Date: September 7, 1920
Creator: Lokey, Allen T.
System: The Portal to Texas History
Combined Rat and Mouse Trap. (open access)

Combined Rat and Mouse Trap.

Patent for a cheaper and more effective trap that displays live bait but is unreachable to animals. The trap will make it "impossible for animals to escape after they have been captured" (lines 26-28), including illustrations.
Date: March 7, 1916
Creator: Bevers, William S., Jr.
System: The Portal to Texas History