National Library of Wales MS. 734B (Plas Power 19). 17th Century. [A transcript of 'The compound of alchymy', by George Ripley, 1471, with many pen-and-ink drawings of characters, dragons, serpents, etc.; and treatises entitled 'How to make a culler w'h will showe like gould' and 'The Explication of Nicholas Flamell Scrivener of Paris... upon his hieroglyphicke figures...']