London, Wellcome Institute MS. 4041. 1 folio + 178 pages + 6 folios. 310x200mm. 18th Century [1783.] Rathlauw, Jan Pieter. Collection of alchemical extracts, translations, notes etc, with medical and other recipes in English, Dutch, German, French and Latin. On the first leaf is a symbolic alchemical picture, beneath which is written ' In this hiroglyphic Picture are contained the whole Science of Hermetical arth, it was given me by an adept in the year 1769.'