Improvement in Wheel-Cultivators. (open access)

Improvement in Wheel-Cultivators.

Patent for "an improved wheel-cultivator, which shall be so constructed that it may be readily adjusted for use in marking the ground, covering the seed, and cultivating the plants." (Lines 9-13) Includes instructions and illustrations.
Date: July 25, 1876
Creator: Riddle, William N.
System: The Portal to Texas History
Sliding-Door Mechanism. (open access)

Sliding-Door Mechanism.

Patent for a new sliding door mechanism that allows for doors to be opened and shut by a foot-operated pedal without the use of one's hands, including illustrations.
Date: July 25, 1916
Creator: Beardon, Thomas M.
System: The Portal to Texas History