Pipe-Wrench. (open access)

Pipe-Wrench.

Patent for improvement of the pipe-wrench by simplification in structural details.
Date: August 1, 1916
Creator: Stone, John E.
System: The Portal to Texas History
Stalk-Cutter (open access)

Stalk-Cutter

Patent for a simple and easy attachable stalk cutter for the beam of a plow for efficient stalk cutting, including instructions and illustrations
Date: February 1, 1916
Creator: Modrall, Don A.
System: The Portal to Texas History