Country
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Improvement in Horse-Powers.
Patent for new improvement in the construction of horse-powers for cotton-gins and other machinery, including illustration.
Date:
February 17, 1874
Creator:
Landes, Daniel
System:
The Portal to Texas History
Improvement in Insect-Destroying Compounds.
Patent for an insecticide that kills ants via fumigation. Ingredients include sulfur, charcoal, potassium cyanide, arsenic, and coal tar.
Date:
September 22, 1874
Creator:
Tottenham, John William
System:
The Portal to Texas History