Mellon Collection, Yale University Library MS. 87.
60 folios. Paper. 283x206mm. 18th Century [c. 1725.]

[Alchemical miscellany in Latin.]
1. Thesaurus mundi. [Compare with MS. Sloane 1316.]
2. Doctrinae filii. [With series of drawings of process in flasks, possibly Donum Dei series.]
3. Speculum veritatis vere artis. [Series of coloured illustrations of 'Vallis novi' series.]