Proportionate Scale. (open access)

Proportionate Scale.

Patent for a proportion scale used for measuring cotton seed and lint. Illustration included.
Date: September 4, 1900
Creator: Brown, George R.
System: The Portal to Texas History
Fumigator. (open access)

Fumigator.

Patent for an egg-shaped fumigator for fumigating chicken nests.
Date: October 4, 1910
Creator: Shelton, William J.
System: The Portal to Texas History