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Plow.
Patent for a new and improved plow. This design consists in "[t]he combination, with the plow-beam, of the plow-standard hinged to a crank-rod journaled in the plow-beam, the tension-spring connected to the plow-standard and provided with the adjustable plate, and the key or rod for securing the adjusting-plate in place" (lines 83-88).
Date:
February 1, 1887
Creator:
Ross, Albert J.
System:
The Portal to Texas History
Clothes Pin
Patent for a single piece wire clothes pin. Illustration included.
Date:
February 27, 1906
Creator:
Rumfield, Henry I. & Donaho, James R.
System:
The Portal to Texas History