Clevis. (open access)

Clevis.

Patent for improvements in clevises in which a clevis can be used upon plows or harrows. When it is used, it “will obviate the necessity of using links or open rings in connection with the clevis and the singletree, as well as enable the plowman to cause his plow to run in the soil any desired depth or to cut a narrow or wide furrow.” (Lines 16-20) Illustration is included.
Date: July 28, 1891
Creator: Bruton, Alonzo D.
System: The Portal to Texas History
Puzzle. (open access)

Puzzle.

Patent for a new and improved puzzle. This design consists in a "trick-puzzle, the same consisting of one false and three true members, each of a stiff wire bent at its center into a loop or ring, with its ends extending therefrom and standing approximately parallel, the bends of the true members being in one direction and of the false member in the opposite direction" (lines 5-12).
Date: July 12, 1892
Creator: Walker, William Turner.
System: The Portal to Texas History