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) one of the few lunar craters that is known by a person's full name rather than the surname. It is also named for a science-fiction author rather than a noted scientist or explorer, as is typical. (But see H. G. Wells.) By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Jules Verne. Jules Verne (crater) Jules Verne is a large lunar impact crater on the far side of the Moon, named after the French author. It is located to the west-southwest of the Mare Ingenii,