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Boll-Weevil Exterminator
Patent for an air suctioning instrument that exterminates boll-weevil and other insects that infest cotton crops. Illustrations included.
Date:
May 29, 1917
Creator:
Goar, Robert Keith
System:
The Portal to Texas History
Traction Gang Plow
Patent for a traction gang plow. This invention uses multiple disks for furrowing. Illustration included.
Date:
May 21, 1907
Creator:
Johnson, Charles J. & Lumpkin, James J.
System:
The Portal to Texas History
Machine for Destroying Cotton Boll Weevils
Patent for a machine that destroys cotton boll weevils. Illustration included.
Date:
May 24, 1904
Creator:
Riewe, Frederick
System:
The Portal to Texas History
Car Coupling.
Patent for a new and improved coupling for railroad-cars. This design consists in "[t]he combination of the draw-head, the trip-block pivoted on the upper side of the same, the trigger secured to the upper side of the draw-head, and the spring bearing on the trip-block" (lines 82-86).
Date:
May 21, 1889
Creator:
Woolsey, Charles Alexander & Woolsey, William Wesley
System:
The Portal to Texas History
Washing Machine.
Patent for a new and improved washing machine. This design consists in "[t]he combination, with the boiler having the transverse rollers, of the [other] roller having peripheral corrugations and the intermediate slots, the bail, and the counterweight whereby the roller may be balanced on the end wall of the boiler" (lines 85-90).
Date:
May 18, 1886
Creator:
Pinkerton, John Franklin
System:
The Portal to Texas History