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
The Secret Adventures of Jules Verne Alexandre Dumas. However, the show cannot be historically placed. For example, at least one episode ("Southern Comfort") takes place during the American Civil War (1861–1865). During the Civil War, the historical Jules Verne was already married; the fictional character remains single throughout the first season. Also, the historical Verne would have been in his mid-thirties at the time of that conflict, whereas Chris Demetral, the actor who portrayed him on television, was in his mid-twenties. The Aurora is at the heart of The Secret Adventure of Jules Verne. The world's first dirigible airship, property of Mr. Phileas Fogg of London,