From Egyptian Secrets of Albertus Magnus, Joseph H. Peterson edition:
When Horses have the Itch.
Take one pound of gunpowder, one pound of linseed oil, one pound of caraway seed, and one pound of sulphur. Make a lye of chicken manure, pour the above substance therein, and wash the horse with this solution.
The grimoire Egyptian Secrets of Albertus Magnus lists this spell.
Timeline of related events
1725Publication of Egyptian Secrets of Albertus Magnus (lists this spell)
1869English-language translation of Egyptian Secrets (lists this spell)