Mellon Collection, Yale University Library MS. 63. 69 folios. Paper. 310x190mm. 17th Century [c. 1660.] 1. [Alchemical procedures.] 2. The secret of secretts. 3. Sir John Barkly. Secret practices of experiments, in three books. 4. A discourse of the minerall stone. 5. [Notes taken from conversation with Sir John Barkly, March 1581.] 6. Samuel Norton. [Abbreviated works.] 7. [Notes from a manuscript formerly in the King's Library, St James's.] 8. William Herbert [?]. [An extract from his works.] 9. D. Curer. [Notes from an old manuscript of his works.] 10. Roger Bacon. On the oil of antimony. 11. [Medical recipes, compiled 1658?] 12. [Abstract from Polemann and Helmont on the sulphur of the philosophers.] 13. [Medical recipes.]