British Library MS. Sloane 3637. Paper. Folio. 170 folios. Beginning of 18th Century. 1. English translation of an alchemical treatise, entitled 'Radix ab Umbra' or 'Restrictus Theoricus', of an author whose name in contained in the following anagram. 'Si nostri Velleris Fumus, Ac mira hic Arcana pando'. ff.1-36. The Latin version is printed in the Ginaeceum Chimicum, ed Ludguni, 8vo 1679, p.368. 2. 'A Dialogue; or Questions put by an Adept Master to a certain Scholar, with his answers'. ff.37-56. Translated from the Latin, which is printed as above. p,397. 3. 'The Epistle of Haimo, concerning the four Philosophicall stones taking their matter out of the lesser world'. ff.57-64. A translation from the Latin, which is printed in the Theatrum Chemicum, Vol VI. p.497. 4. 'The Summ of the German Rhymes concerning the universal work proceeding out of heaven and earth. ff.65-69. Printed in the Theatrum Chemicum, Vol VI. p.511. 5. Extracts from 'Le grand esclaircissement de la Pierre Philosophall. Printed, Paris, 1628. But pretended to be written, July 7, 1466; and said to be [Nicholas] Flamell's, which I believe not, and by no means approve of, be it whose it will'. f.69b. 6. English Metrical translation of the Aenigma Philosophicum of Michael Sandivogius. ff.71-80. The work is Printed in Latin prose, in Theatrum Chemicum, Vol IV, p.502. 7. 'A dialogue of the Allchymist and Sulphur', in verse. ff.81-93. Begins: 'It hapned on a certain time that he By speculation in an extasy'. Ends: 'Since ther were more than he in all his life Had ever known. The rest he told his wife'. 8. 'The Fountain of the Lovers of the Science [Fons Scientiae cupidorum] composed by John Fountain [Johannes Fontanus] of Valencienn, in the country of Hainault, Lyons, 1590. The third ediition'. ff.94-118. A translation from the Latin. 9. 'A treatise of the Egg of the Philosophers, composed by Bernard Count Trevisan, A German. Paris 1659', written in the form of an epistle. ff.119-135. Begins: 'Sir, Under correction it seems to me that your aim at these things otherwise than the definition of natural things has been delivered'. 10. 'Of the original of the Philosophers' Stone and how it is finished by Art' - divided into two parts, the first containing four, the second seven treatises, ff.135b-170. Begins: 'The stone of the Wise is produced by the way of a greening nature; of which Haly, the Philosopher sayeth'.