Board Roofing. (open access)

Board Roofing.

Patent for a new design of roofing board. The wooden boards are designed to "contract and expand with changes of temperature" (para. 3) and to allow rain to run off without seeping into the joints of the boards.
Date: December 19, 1876
Creator: Zimmerman, Arnold W.
System: The Portal to Texas History
Improvement in Wheel-Cultivators. (open access)

Improvement in Wheel-Cultivators.

Patent for the improvement of wheel-cultivators, combining a plow and cultivator. It includes a description and illustration.
Date: September 19, 1871
Creator: Viars, John A.
System: The Portal to Texas History
Improvement In Locks (open access)

Improvement In Locks

Patent for an improvement for slide door fasteners and locks. Description and illustrations are attached.
Date: August 19, 1879
Creator: Garlock, William H.
System: The Portal to Texas History
Improvement In Churns (open access)

Improvement In Churns

Patent for improvements in the construction of a churn dasher. Descriptions and illustrations are attached
Date: August 19, 1879
Creator: Davis, Henry T.
System: The Portal to Texas History