Cambridge, Trinity College MS. O.2.18. 186 folios. Vellum. 219x146mm. 14th and 15th Century. 1. f15 Codex sinodi turbe philosophorum. 2. f33v Liber secretorum philosophorum in opere alkimie per hali. 3. f36v Inc. tract. de arte alkimie breuis. Testatur ad credendum. 4. f38 Inc. tract. de ouo philosophorum breuissimum deo altissimo laudes. 5. f38 De spiritu occultato in sulphure et arsenico tract. inc. 6. f39 Dixit senior saky filius hamil. 7. f40 Epistola slis ad Munam crescentem. 8. f55 Inc. Geber perfectionis magisterii. 9. f81 Aureum opus. Rosarius mag. Arnaldi de Villa noua quem misit Regi Roberto ... 10. f94v Inc. Ep. Johannis Dastine ad papam Johannem xxii transmissa de alkimia. 11. f95v Inc. tract. de seperacione elementorum mineralibus compendiose editus. 12. f97 Inc. tract. de separacione elementorum a vegetabilibus et animalibus et rectificatione eorum. 13. f105 Inc. lumen luminum liber Rasis philosophi in arte alkimie in quo thesauri secretorum nature occultantur inc. prologus. 14. f118v De natura planetarum et lapidum et herbarum [From the Secretum Secretorum]. [Very neat diagrams of apparatus.] 15 . f121 Inc. liber alphidii philosophi. 16. f124 Liber hermetis trimegisti magni philosophi de alkimia. 17. f125v [Visio Edwardi]. 18. f128 Inc. lumen luminum abbreuiatum. 19. f129 Inc. lib. qui clauis sapience Alfonsi nuncupatur de arte alkimica. [f134v, 135 diagram and mystic characters in the text.] 20. f137 Inc. liber perfecti magisterii (qui dicitur Aristotelis.) 21. f145 Inc. liber morieni de arabico in latinum translatus. 22. f151v [The beginning of the Methodius prophecy of which the end is on the flyleaves.] De creacione celi et terre et de primo miliario breuiter ostendit. 23. f153 Opus Rasis philosophi. 24. f153v Est lapis occultus secreta valle sepultus. 25. f158v Visio Joh. Dastin [15th Cent.] 26. f159v De natura signorum et vij planetarum. [Then follow a number of short work in different hand. 15th Cent.]