Twenty Thousand Leagues Under the Sea as an inhabitant of British Colonial India, "is an inhabitant of an oppressed country". Verne took the name "Nautilus" from one of the earliest successful submarines, built in 1800 by Robert Fulton, who later invented the first commercially successful steamboat. Fulton's submarine was named after the paper nautilus because it had a sail. Three years before writing his novel, Jules Verne also studied a model of the newly developed French Navy submarine "Plongeur" at the 1867 Exposition Universelle, which inspired him for his definition of the "Nautilus". The breathing apparatus used by "Nautilus" divers is depicted as an untethered version
Jules Verne (crater) crater feature on the far side to be flooded with lava, as the crust is generally thicker than on the near side. The crater is located in outer rim of the South Pole-Aitken basin. The outer rim of Jules Verne is worn and eroded, with several craters lying across the edge. Along the eastern edge lies Jules Verne G, while Jules Verne C penetrates the northeastern rim and Jules Verne Z cuts across the northern rim. A small crater also lies across the southern rim, while Jules Verne P is attached to the exterior along the south-southwest. Jules Verne is