St. Andrews University Library MS. 38176 [Read]. 78 folios vellum. 177x137mm. 14th Century. [A collection of early treatises on Alchemy beginning 'liber qui dicitur Practica Nova'.] 1. f1 Practica Nova. 2. f15 Notae in Practica. 3. f17 Tractatus qui speculum secretorum intitulatur. 4. f23 Albertus quid sit sulphura... 5. f25v Incipit novus tractatus qui ... opertum secretorum. [in margin 'speculum secretorum novum']. 6. f29 De spiritu occultato in Sulphure. 7. f31 Incipit lib Morienus de distillationes. De distillationes secretorum sapientium de agregatione aquarum. 8. f33 [Note from] Waltus Otyngton. 9. f34 [Verse] Hermes. 10. f42 [Heading in red ink] Est lapis unus et Una medicina. f44 explicit liber perfectionis amen. f44 [notes] 11. f49v incipit interrogationes Alay et responciones Morieni de orbis in quibus tota offitatia... 12. f71 Semita recta Alberti. f78v [Notes]. [inserted paper fly-leaf has list of contents, ending 'Multa quoque alia, passim huit vide diversa manu interpolata. F. [C?] 6 Martii 1651'. [Many marginal drawings of alchemical apparatus.]