Hand Cultivator. (open access)

Hand Cultivator.

Patent for a new and improved cultivator. This design "is to provide hand-cultivators constructed in such a manner as to cut up and destroy grass and weeds without throwing the soil around and covering small plants, and without breaking the soil away from around the plants" (lines 16-21).
Date: November 18, 1884
Creator: Hurd, Judson B.
System: The Portal to Texas History
Screw-Gearing (open access)

Screw-Gearing

Patent for screw-gearing for motors, particularly motors for fans or similar objects, including illustrations.
Date: September 18, 1900
Creator: Paker, Oren A.
System: The Portal to Texas History