London, Wellcome Institute MS. 88. 215 + 52 folios. 320x200mm. 16th and 20th Centuries. 1. 215ff Artzeney Puch. [c. 1550.] 2. 52ff Abschrift des 'Rosarium Philosophorum' gefertigt Januar 1903, durch Dr. Carl Gerster zu Braunfels. [A transcript of 'De alchimia opuscula complura veterum philosophorum', Frankfurt 1550, written in 1903 on the blank leaves of the original MS. Dr Gerster has pasted in pen drawn copies of the title page and woodcut illustrations, done on tracing paper.]