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Clamp.
Patent for a clamp "for use in in connection with hoisting-tackle for raising or lowering well-pipes..."(lines 9-10) that has one side attach to the pipe and the other side be releasable from the pipe.
Date:
April 9, 1907
Creator:
Danforth, Joseph B.
System:
The Portal to Texas History
Insect Destroyer
Patent for an insect destroyer. Illustration included.
Date:
April 4, 1905
Creator:
Moore, Isham S. & Pace, Azie E.
System:
The Portal to Texas History