The world divided into maritime and terrestrial spheres

A double hemisphere world map on a projection that uses Paris as the centre of the right sphere. Thus most land appears in that sphere, with the Pacific, Indonesia and Australasia in the left. Emmanuel, comte de Las Casas, used the pseudonym Le Sage to write his 'Atlas historique, genealogique, chronologique et geographique'. A Bonapartiste, he helped Napoleon surrender to the British after the Battle of Waterloo, and followed him to St Helena, where he acted as Napoleon's secretary, later publishing a 'Mémorial de Sainte-Hélène'.