From Egyptian Secrets of Albertus Magnus, Joseph H. Peterson edition:
To Open Locks.
Kill a green frog, expose it to the sun for three days, powder or pulverize it. A little of this powder put into a lock will open the same.
Timeline of related events
1725Publication of Egyptian Secrets of Albertus Magnus (lists this spell)
1869English-language translation of Egyptian Secrets (lists this spell)
In this decade: Publication of The Book of Forbidden Magic (lists this spell)