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 title; the French title actually means "Twenty Thousand Leagues Under the Seas"). In the Argyle Press/Hurst and Company 1892 Arlington Edition, the translation and editing mistakes attributed to Mercier are missing. Scaphandre is correctly translated as "diving apparatus" and not as "cork-jackets". Although the book cover gives the title as "Twenty Thousand Leagues Under the Sea", the title page titles the book "Twenty Thousand Leagues Under the Seas; Or, The Marvelous and Exciting Adventures of Pierre Arronax, Conseil His Servant, and Ned Land a Canadian Harpooner". A modern translation was produced in 1966 by Walter James Miller and published by