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Wire-Tightener.
Patent for improvements in wire-tighteners with an illustration. Specifically, the patented improvement is for a "device" that can "be used for the purpose of tightening strands of wire of a wire fence" (lines 11-14).
Date:
June 24, 1919
Creator:
Wilson, James G.
System:
The Portal to Texas History
Telegraph-Repeater
Patent for a telegraph repeater. This invention improves repeaters by eliminating lag by simplifying the apparatus which increases capacity and clarity in transmission by maintaining a larger current strength.
Date:
June 24, 1919
Creator:
McKibben, Charles W.
System:
The Portal to Texas History