Grain-Hulling Machine. (open access)

Grain-Hulling Machine.

Patent for improvements in grain-hulling machines for further effectiveness and convenience at a lesser cost.
Date: August 26, 1916
Creator: Couch, Albert B.
System: The Portal to Texas History
Concrete Cleaner (open access)

Concrete Cleaner

Patent for Concrete Cleaner
Date: August 26, 1916
Creator: Stubbs, Robert C
System: The Portal to Texas History