Gearing. (open access)

Gearing.

Patent for improved gear structures for motor vehicles that pull plows or other items across the ground or across roadways.
Date: June 9, 1914
Creator: Coleman, Arthur
System: The Portal to Texas History
Silo (open access)

Silo

Patent for a reinforced silo, either constructed from cement or cement like materials. The construction of the doorway provides access to the upper end by a ladder.
Date: November 24, 1914
Creator: Ray, James H.
System: The Portal to Texas History