British Library MS. Add. 5025 (3). 1.47m x 21cm. [Ripley Scroll. The third Roll is much fuller than the second, or the printed copy, and is entitled 'An Alkemye Scrowle, drawne from an ancient coppie, first invented by Bacon, the great Clarke'. Then follow lines 'to the Reader', beginning 'I shew a mistery of rare kinde' (not in Ashmole).]