SECTION II. CHEMISTRY. 17 



(5) 



1. Anagrams of " Isaacus Newtonus " on draft of a letter to 

 the Council about some matter at the Mint. Note of quotations in 

 ludo puerorum, scala philosophorum, and rosario. 



2. Directions as to some details of an alchemical process given 

 by a Londoner acquainted with Mr Boyle and Dr Dickinson. On 

 the back the beginning of a letter in which mention is made of 

 Mr Pepys asking Sir I. N. for a method of finding the longitude 

 at sea. 



3. List of Alchemical works. A classification of the same with 

 dates. On the back an account of gold and silver moneys coined 

 since Christmas (no year), in which the guinea is put at 21s. 6d. 



4. Another list of Alchemical authors with dates. 



5. Another list of Alchemical authors, with extracts from Act 

 of Parl. 5 Car. II., on coinage, on the back. 



6. Extracts " ex lumine de tenebris." 



7. A treatise on Chemistry, extracted from various authors, 

 similar to nos. 18, 31, above ; with some odd papers partly duplicates. 



8. Two chapters apparently of another such treatise, headed 

 " Reductio et sublimatio " (2 fol.), and " Separatio elementorum" 

 (1 fol.) compiled as before. 



9. Recipes for cements. Address of 2 stampmakers. Mathemati- 

 cal diagrams and lists of alchemical works. 



10. Opus Galli Anonymi. With a note by Newton " Simile est 

 hoc opus operi Fabri..." It gives a recipe for the Philosopher's stone \J 

 and medicine but it does not state what the material operated on is ; 

 the preparation consists in repeated digestions and distillations. 



11. Alchemical operations references to the pages of several 

 books. 



12. Experimenta Raymundi (2 fol.). 



13. Observationes (heads of Alchemical process). 



14. Ex Fabri Hydrographo Spagyrico (1 f.). 



15. Ex Hercule prochymico (1 f.). 



16. Miscellanea from Raymund and others (1 f.). 



17. The Regimen, in seven aphorisms and notes thereon (2 f.). 



18. Index chemicus (commencement only). 



19. Various extracts from alchemical works (9 f.). 



N. 2 



