Tycho Brahe (1546-1601), detail from a map showing his system of planetary orbits, from 'The Celestial Atlas, or The Harmony of the Universe' (Atlas coelestis seu harmonia macrocosmica) pub. by Joannes Janssonius, Amsterdam, 1660-61 (hand coloured engravi - 3x2 inch Fridge Magnet - large magnetic button - Magnet - inches