Resource Type

Portable Silo (open access)

Portable Silo

Patent for a portable silo
Date: November 28, 1916
Creator: Wiesenborn, George
System: The Portal to Texas History
Disk Plow. (open access)

Disk Plow.

Patent for a disk plow modification, which allows the disk to be self-sharpening and automatically release accumulated garbage.
Date: November 4, 1919
Creator: Hoffman, George L.
System: The Portal to Texas History