Engraved map. Shows major cities and towns. Relief shown by hachures. Prime meridian is Ferro. // New political and historical atlas of the Ottoman Empire and neighboring states in Europe, Asia and Africa, in forty sheets. Drawn, reviewed and corrected by J.J. Hellert, and accompanied by a historical, geographical and statistical commentary by G. Heck, and Leon Plee. Atlas consists of engraved title page, 2 folded tables, IV, 82 pages of descriptive text and 39 engraved maps, some folded, the first double page map is colored. Includes plans of Constantinople, Dardanelles, important cities of the Empire, and the memorable sieges and battles. Atlas bound in half leather and marble paper covered boards with title Atlas l'Empire Ottoman in gilt on spine.