Adjustable Standard for Plows. (open access)

Adjustable Standard for Plows.

Patent for improvements to foot pieces that allow for easy adjustment of plowing depth. Includes instructions and illustrations.
Date: July 1, 1891
Creator: Teague, Jasper K.
System: The Portal to Texas History
Car-Coupling. (open access)

Car-Coupling.

Patent for temporary, easily attachable and detachable coupling devices that rejoin draw-heads that have been broken or disabled in cars. Includes instructions and illustrations.
Date: May 13, 1891
Creator: Wallis, Fuller W.
System: The Portal to Texas History
Combined Cotton Chopper and Cultivator (open access)

Combined Cotton Chopper and Cultivator

Patent for a combined cotton chopper and cultivator. Illustration included.
Date: March 8, 1904
Creator: Langford, Noah
System: The Portal to Texas History