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Improvement in Cotton-Worm Destroyers. (open access)

Improvement in Cotton-Worm Destroyers.

Patent for "a new machine for removing the destructive cotton-worms from the cotton-plants without injury to the plants, and for destroying the worms," which "consists in the arrangement of a movable frame, which is by animals drawn over the fields to straddle the rows of cotton, and which is provided with brushes for sweeping the worms from the plants, and with jointed bottom pieces or slides, which crush them on the ground." (Lines 15-25) Includes instructions and illustrations.
Date: May 20, 1873
Creator: Helm, Jackson
System: The Portal to Texas History
Improvement in Wheels for Vehicles. (open access)

Improvement in Wheels for Vehicles.

Patent for "an improved hub for buggy and other vehicle wheels, which shall be simple in construction, strong, and durable, and which will run with little friction." (Lines 10-13) Includes instructions and illustrations.
Date: December 23, 1873
Creator: Brown, David
System: The Portal to Texas History
Improvement in Cultivators. (open access)

Improvement in Cultivators.

Patent for an improvement in the design of corn cultivators, including illustrations.
Date: April 22, 1873
Creator: Helm, Jack
System: The Portal to Texas History