5 Matching Results

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Insecticide. (open access)

Insecticide.

Patent for an insecticide that uses an arsenic compound to kill insects instead of Paris green or London purple, and can easily be made into a beautiful green powder that may be used as a pigment.
Date: November 27, 1894
Creator: Brumleu, Ludwig & Brumleu, Ernest
System: The Portal to Texas History
Gasolene Tank Filler and Gage (open access)

Gasolene Tank Filler and Gage

Patent for a means of filling a gasoline tank for a motor vehicle with a sight gage for determining the level of gasoline placed in the tank.
Date: February 27, 1917
Creator: Boyce, Leonora
System: The Portal to Texas History
Improvement in Ant-Destroying Apparatus. (open access)

Improvement in Ant-Destroying Apparatus.

Patent for "a new and Improved Apparatus for Destroying Ants" (lines 4-5) including illustrations.
Date: July 27, 1875
Creator: Grafton, William
System: The Portal to Texas History
Addressing-Machine. (open access)

Addressing-Machine.

Patent for an improved addressing machine, which will "paste, cut, and attach the slip simultaneously, or with one operation" (lines 26-27), with instructions and illustrations.
Date: December 27, 1887
Creator: Eberhardt, Theophilus Charles
System: The Portal to Texas History
Combined Railway-Switch and Car-Replacing Mechanism. (open access)

Combined Railway-Switch and Car-Replacing Mechanism.

Patent for a combined railway-switch and car-replacing mechanism that is meant to "provide certain improved devices which can be arranged to operate as a switch mechanism, or as car replacing means, which can be easily manipulated, are of a simple construction and which will effectively serve for their intended purposes" (lines 11-16). It can be easily assembled and dissembled.
Date: November 27, 1894
Creator: Debose, Albert S.
System: The Portal to Texas History