Plow (open access)

Plow

Patent for an improvement to reversible plows. The plow specified is capable of throwing dirt to both the left and right sides.
Date: January 9, 1912
Creator: Sramek, Jacob
System: The Portal to Texas History
Process of Destroying Cotton-Boll Weevils (open access)

Process of Destroying Cotton-Boll Weevils

Patent for a formula for an insecticide for the Mexican cotton boll weevil.
Date: March 4, 1912
Creator: Newell, Wilmon
System: The Portal to Texas History
Insecticide (open access)

Insecticide

Patent for a recipe for insecticide for the Mexican Cotton-Boll Weevil.
Date: May 14, 1912
Creator: Newell, Wilmon
System: The Portal to Texas History
Locking Device for Forms (open access)

Locking Device for Forms

Patent for a locking device for forms that will not crush the edges of circular forms.
Date: August 27, 1912
Creator: Irvin, Thomas H.
System: The Portal to Texas History