Of A Perpetual Motion
The ways whereby this hath been attempted, may be generally reduced to thefe three kinds
By Chymical Extractions
By Magnetical Virtues.
By the natural Affection of Gravity.
The difcovery of this hath been attempted by Chymiftry. Paracelfus and his followers have bragged, that by their Separations and Extractions, they can make a little World which fhall have the fame perpetual Motions with this Microcofm, with the Reprefentation of all Meteors, Thunder, Snow, Rain, the Courfes of the Sea in its Ebbs and Flows, and the like….
The Mathematical and Philosophical Works of the Right Reverend John Wilkins