British Library MS. Sloane 2172. Paper. Folio. 265 folios. 17th Century. 41. 'Treatise of the true salt, the Philosophers secret and of the universal spirit of the world', by the Lord of Nuisement. ff.132-172. Begins: 'Chap. 1. That the world liveth and is full of life - Having taken in hand to depaint in these three treatises the spirit of the world.'