1594 Michael MAIER. Viatorium, hoc est, de montibus planetarum septem seu Metallorum; Tractatus tam utilis, quam perspicuus, quo, ut Indice Mercuriali in triviis, vel Ariadneo filo in Labyrintho, seu Cynosura in Oceano Chymicorum errorum immenso, quilibet rationalis, veritatis amans, ad illum, qui in montibus sese abdidit De Rubea-petra Alexicacum, omnibus Medicis desideratum, investigandum, uti poterit. 8° Rothomagi: sumpt. Ioannis Berthelin, in area Palatii 1651 Ferguson Young British Library Wisconsin [Illustrations:- 1. Frontispiece engraving. 132x78mm. Based on the titlepage to the 1618 edition, but rather more coarsely cut. 2. Small woodcut on titlepage. 39x44mm. The symbol of Mercury stands at the centre of a six-pointed star, surrounded by the other six planetary symbols. Series of seven engravings, mirrored copies made directly from the 1618 engravings. 3. p57 104x73mm. Recut engraving of item 2 of 1618 edition. 4. p88 108x73mm. Recut engraving of item 3 of 1618 edition. 5. p107 96x70mm. Recut engraving of item 4 of 1618 edition. 6. p134 108x72mm. Recut engraving of item 5 of 1618 edition. 7. p150 99x73mm. Recut engraving of item 6 of 1618 edition. 8. p182 102x72mm. Recut engraving of item 7 of 1618 edition. 9. p216 97x70mm. Recut engraving of item 8 of 1618 edition.]