1397 Giovanni LACINIO. Praeciosa ac nobilissima artis chymiae collectanea de occultissimo ac pręciosissimo philosophorum lapide. Per Ianum Lacinium Calabrum. Nunc primum in lucem aedita, cum totius libelli capitum indice. 4° Norimbergę apud Gabrielem Hayn, Ioann. Petrei generum 1554 Ferguson British Library Wisconsin [Illustration:- On f8v of preliminary material. Woodcut. 100x98mm. A man stands holding a large flask beside a furnace on which a similar flask is being heated in a water-bath. This image is similar to item 7 in Geber's 'De alchemia' of 1541.]