Wheel. (open access)

Wheel.

Patent for a wheel hub, which has anti friction parts inside of it.
Date: August 23, 1910
Creator: Neighbour, William W.
System: The Portal to Texas History
Improvement in Combined Gang-Plow and Cultivator (open access)

Improvement in Combined Gang-Plow and Cultivator

Patent for a new gang-plow and cultivator design, including instructions and illustrations.
Date: August 23, 1870
Creator: Thornton, Sterling C.
System: The Portal to Texas History