British Library MS. Sloane 3631. Paper. Quarto. 63 folios. 17th Century. Bound with MS. Sloane 3630. 1. The third book of an alchemical treatise. ff.1-17. Begins: 'I have in my too preceding tracts so manifestly declared that art which was kept so secret by the ancient philosophers'. 2. The preface to an alchemical treatise, of which only part of the first chapter remains. ff.18-20. Begins: 'By the grace of God I have already writ several treatise as wel in Latin as German'. 3. A treatise, apparently of the philosophers' stone imperfect at the commencement. ff.21-36. Begins: 'As nature of the light of the sun and the aridity of the aire doth produce heate and sometimes [Fire]'. Ends: 'In the mean time let us conclude with the words of Paracelsus in his Chirurg. Min. Tract. 2vo de contracturis, page 115' etc. 4. 'Method how to draw the tincture of corall'. f.37. 5. 'Menstruum for to extract the salt of pearles and corall'. f.38. 6. 'Propostions disposed by method consearning solar and lunar amalgam fixed by digestion'. ff.39-45. Begins: '1. Quicksilver is the true seed of mettalls'. 7. 'La Piere Animalle, tire d'une manuscrit trouve ches Mr. Roganne, auditeur de compts e Paris'. f.46. Begins: 'Prenez ce qui n'est pas accomplie de l'animal qui est une substance rouge et vermeille'. 9. An exposition of George Ripley's Compound of Alchemy, in a letter from E.K. [Edward Kelley 'to his sworne brother T.M.' Dated Fulhame, 3 March, 1632. ff.51-63.