From The Grimoire of Arthur Gauntlet, David Rankine edition:
Experiments: To go Invisible
At such time as Men sow Beans. Take a Bean And put it into the Heart of a black Cat being ready Roasted Then bury it in a dunghill Or in Alio loco Saturnaliter and when they be ripe Carry one about thee And thou shalt be invisible.
The grimoire The Grimoire of Arthur Gauntlet lists this spell.
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