London, Wellcome Institute MS. 3346. 16 folios + 318 pages + 100 folios. 140x80mm. Late 17th Century. Raymundus Lullius. Traicté des secrets de la nature, ou de la quinte essence... divisé en trois distinctions. [This appears to be a translation of the 'Liber de secretis Naturae', Venice 1514.