Improvement in Single-Trees. (open access)

Improvement in Single-Trees.

Patent for "a new and useful improvement in Wooden Single-Trees" (lines 3-4), "for plows and other similar drafts" (lines 15-16), including instructions and illustrations.
Date: December 18, 1877
Creator: Bass, Thomas Gibson
System: The Portal to Texas History
Improvement in Combined Cultivator and Planter. (open access)

Improvement in Combined Cultivator and Planter.

Patent for "a new and useful improvement in a combined corn and cotton planter and cultivator" (lines 3-6), includes instructions and illustrations.
Date: December 18, 1877
Creator: Skinner, Miles T.
System: The Portal to Texas History
Improvement in Gang Plow and Cultivator. (open access)

Improvement in Gang Plow and Cultivator.

Patent for "a new and improved gang plow and cultivator" (lines 3-4), including instructions and illustrations. "This invention relates to a new agricultural machine which may be readily changed from a gang-plow into a cultivator, and vice-versa" (lines 15-17).
Date: December 18, 1877
Creator: Domschke, Charles
System: The Portal to Texas History