Medicated Salt Rock (open access)

Medicated Salt Rock

Patent for "improved medicated salt rock to be used for keeping cattle, horses, and other live stock in good condition, to serve as a tonic and blood-purifier, also to expel worms from the stomach and intestines, and to eradicate ticks and vermin" (lines 10-15).
Date: April 23, 1901
Creator: Green, Charles O; Wickline, William P. & Eaton, James B.
System: The Portal to Texas History