From Egyptian Secrets of Albertus Magnus, Joseph H. Peterson edition:
Whether a Patient Dies or Recovers.
Take his water, drop some milk of a woman, who is nursing a male child, therein; if the milk settles upon the ground, the patient dies; but if it floats above, he recovers.
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)