An English captain coming across engraving (for Napoleon) on rock, Nicolas Toussaint Charlet, before 1842

An english captain coming across engraving on rock. Unspecified year - april 1: an english captain coming across the engraving on a rock on ascension island which reads napoleon the great will live forever. Illustration taken from: the memorial of saint helena, volume 1, 1842, by emmanuel, count de las cases (1766-1842), the first italian edition. Drawings by nicolas-toussaint charlet (1792-1845). Date: before 1842.