London, Wellcome Institute MS. 875 87 folios. 150x95mm. 18th Century [c.1750.] [Alchemist's note-book of extracts from alchemical authors, with notes and comments: in Latin and French.] [Illustrated with pen drawings of alchemical apparatus, etc. Inside the upper cover is a full page circular diagram of the Macrocosm-Microcosm.] f46 'Procédé de Paul Stein ou Steiner.' f67-73 'Traite de Nicolas de Valois.'