Catalogue Entry: ALCH00020
'Liber Mercurioum [sic: leg. 'Mercuriorum'] Corporum' (1668-75).
Bought at the Sotheby sale by Maggs Brothers for £14 and sold to Keynes on 13 August 1936 for the sale price plus 20%. See Spargo, '1936 sale', 127.
Seven pages of alchemical recipes followed by a table of (al)chemical symbols. Clearly not Newton's own composition though the source(s) has/have not been identified.
Discussed, with a transcript of two of the recipes and facsimile of the table of symbols, in Dobbs, Foundations, 137-8.