Resource Type

States

Level. (open access)

Level.

Patent for a spirit level, which measures more accurately than other models and allows quicker calculation of where the wood needs to be moved to be level.
Date: November 23, 1909
Creator: Brittain, Thomas H.
System: The Portal to Texas History
Insectifuge Fertilizer for Cotton. (open access)

Insectifuge Fertilizer for Cotton.

Patent for an insectifuge fertilizer for cotton, which promotes the growth of the cotton plant and prevents boll weevils and cotton worms from attacking cotton plants by making them distasteful to the insects through the application of a mixture of bicarbonate of soda, nitrate of soda, sulfate of copper, and crushed decorticated cotton seed.
Date: August 23, 1910
Creator: White, Reuben G.
System: The Portal to Texas History