Mellon Collection, Yale University Library MS. 78. 6 separate parts. Paper. Various formats. 18th Century [c. 1700.] [Isaac Newton, holograph. Reading notes and excerpts on alchemy, in Latin and English.] 1. [Address leaf of letter sent to Newton, and notes in Latin from Theorica by Ramon Lull.] 2. [Single folio with list of 30 alchemical operations.] 3. [2 folios. 45 headings of alchemical operations with notes of printed sources.] 4. [4 folios. List of alchemical procedures.] 5. [2 folios, containing reading notes in Latin on the 'Rod of Mercury' from Ripley's Medulla and Bloomfield.] 6. [2 folios. 'Observationes' on alchemical procedures.]