Catalogue Entry: ALCH00050
'Thesaurus Thesaurorum sive Medicina Aurea'.
Bought at the Sotheby sale by Maggs Brothers for £9.10s. and sold to Keynes on 22 July 1936 for £12.10s.: see Spargo, '1936 sale', 126.
Transcribed from an unpublished manuscript (see Dobbs, Janus Faces, 123). Begins with a defence of alchemical writings which, despite their apparent obscurity, do contain real truths, and proceeds to a detailed recipe for producing a red 'elixir' to transmute all metals into gold.