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
Twenty Thousand Leagues Under the Sea seas and charted all oceans. Verne would have known of Matthew Maury's international fame and perhaps Maury's French ancestry. References are made to other such Frenchmen as Jean-François de Galaup, comte de Lapérouse, a famous explorer who was lost while circumnavigating the globe; Dumont D'Urville, the explorer who found the remains of Lapérouse's ship; and Ferdinand Lesseps, builder of the Suez Canal and the nephew of the sole survivor of Lapérouse's expedition. The "Nautilus" seems to follow the footsteps of these men: she visits the waters where Lapérouse was lost; she sails to Antarctic waters and becomes stranded there, just