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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
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