Improvement in Churns. (open access)

Improvement in Churns.

Patent for improvements to the design of the butter churn, to ease labor and improve efficiency, including illustrations.
Date: April 18, 1876
Creator: Rost, Otto
System: The Portal to Texas History
Improvement in Dish Cleaners and Drainers. (open access)

Improvement in Dish Cleaners and Drainers.

Patent for a convenient and cheap article of household ware for washing dishes, glassware, and similar articles of household use.
Date: April 18, 1876
Creator: Harper, Elijah S., Sr.
System: The Portal to Texas History
Improvement in Horse-Powers. (open access)

Improvement in Horse-Powers.

Patent for a horse-power with a master-wheel, communicating, through a pinion, crank, and pitman.
Date: April 18, 1876
Creator: Andrews, Henry K.
System: The Portal to Texas History
Improvement in Tenoning-Machines (open access)

Improvement in Tenoning-Machines

Patent for an improvement in tenoning-machines, including saws, gauges, flanges, and hinged plates.
Date: April 18, 1871
Creator: Bourland, Melton S.
System: The Portal to Texas History