Nantes MS. 523 (français, 357). 154 folios. Paper. 208x148mm. 14th and 15th Century. Collection of alchemical tracts attributed to Raimond Lully. [Early owner - Baron du Taya.] 1. f1 Alkymia est une partie celée de philosophie naturele la plus necessaire... [This is the second part of Lully's Testament.] 2. f29 Le livre des mercures faire et elixirez des diz mercures. - Filz, il t'est besoing que tu entende les operations. [An old french translation of the Liber mercuriorum.] 3. f42v L'anumeration des elemens et la cognoissance d'ycelle. - Filz, le nostre argent vif ou partie d'ycelli est... [Part of the Testamentum novissimum, dated at 'Londres, 1432'.] 4. f95 [Short verses in Catalan]: 'Amor noy fay asso rimar Ab corruption porras trobar...' [With explanatory commentary in Latin. Composed of many verses borrowed from authentic verses of Raimond Lully.] 5. f96 Incipiunt amphorismi super alkimia. ­ Aurum philosophorum lapis est cautus, rarus... 6. f100 Deus in virtute Trinitatis qua unitas divinitatis... - Explicit thesaurus infinitus. Deo gratias. [This is the Vade mecum, attributed to Raymond Lully.] 7. f151 [Alchemical recipes from the 15th and 16th Centuries.] 8. f152-154 [Alchemical recipes of the 15th Century, and a table of the 17th or 18th Century.]