Cotton-Chopper. (open access)

Cotton-Chopper.

Patent for a cotton chopper that attaches to a cultivator.
Date: August 15, 1911
Creator: Hester, James R.
System: The Portal to Texas History
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