Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for improving acetylene gas generators.
Date: April 1, 1919
Creator: Muse, James A.
System: The Portal to Texas History
Cotton-Chopper. (open access)

Cotton-Chopper.

Patent for a cotton chopper, which can be more easily turned without damaging the cotton plants.
Date: March 1, 1910
Creator: Snow, Orto S.
System: The Portal to Texas History
Oil Burner (open access)

Oil Burner

Patent for an oil burner. This invention is designed to not allow air in the burner proper except at the point of combustion. Illustration included.
Date: December 20, 1902
Creator: Murphy, Alfonso F.
System: The Portal to Texas History
Combination Wrench. (open access)

Combination Wrench.

Patent for a new and improved combination wrench. This design "is to provide a wrench whose moveable jaw is adjustable without a screw, and with whose handle are combined several useful tools or instruments" (lines 8-11).
Date: March 1, 1881
Creator: Butler, Edward Martin & Campbell, William Henry
System: The Portal to Texas History
Combined Flour and Meal Bin and Sifter. (open access)

Combined Flour and Meal Bin and Sifter.

Patent for a combined flour and meal bin sifter meant for the kitchen. The amount of flour or meal put into the machine does not matter, and the sifter may be removed when desired. The sifted material is directed into a container, and the end of the chute can be closed when not in use.
Date: September 1, 1896
Creator: Alexander, Charles P.
System: The Portal to Texas History
Improvement in Car-Brakes. (open access)

Improvement in Car-Brakes.

Patent for "car-brakes that work automatically and without manual intervention as soon as the locomotive is stopped." (Lines 12-14) Includes instructions and illustrations.
Date: June 1, 1875
Creator: Kirtley, Fielding L.
System: The Portal to Texas History
Improvement in Car-Brakes. (open access)

Improvement in Car-Brakes.

Patent for "a means for the automatic application of brakes to the cars of a railway-train; and it consists in a loosely-moving draw-bar attached to the car by means of bolts passing through a central longitudinal slot, and having its sides wrought into two rack-bars, which mesh with pinions upon two windlass-shafts; which arrangement, when the locomotive is "slowed," causes the impact of the cars to drive up the draw-bars and wind up cords upon the windlass-shafts, which communicated with and apply the brakes to the wheels." (Lines 11-23) Includes instructions and illustrations.
Date: June 1, 1875
Creator: Kirtley, Fielding L.
System: The Portal to Texas History