Trace and Trace Chain Supporter. (open access)

Trace and Trace Chain Supporter.

Patent for a new and improved trace and trace-chain supporter. This design consists "of the pivoted springy trace or chain keeper, and the hook or loop having its outer branch perforated, whereby the keeper itself is enabled to act as a spring, and after being sprung into its place is retained above the trace or chain by the conjoint agency of a shoulder or offset on the keeper and the outer branch of the loop or hook" (lines 43-50).
Date: June 17, 1890
Creator: Wroe, Missouria E.
System: The Portal to Texas History
Plow. (open access)

Plow.

Patent for "an improved device of this character, which may be readily converted from a turning-plow to a shovelplow, or from a shovel-plow to a turning-plow, by resetting the bar, mold-board, and share, and which may be used either with a steel or wood beam, as desired" (lines 14-20).
Date: June 10, 1890
Creator: Wilhelm, Albert
System: The Portal to Texas History