Nautilus (Verne) from seawater) is the craft's primary power source for propulsion and other services. "Nautilus" is double-hulled, and is further separated into water-tight compartments. Its top speed is . Its displacement is submerged. In Captain Nemo's own words: "Nautilus" uses floodable tanks in order to adjust buoyancy and so control its depth. The pumps that evacuate these tanks of water are so powerful that they produce large jets of water when the vessel emerges rapidly from the surface of the water. This leads many early observers of "Nautilus" to believe that the vessel is some species of whale, or perhaps a
Cultural influence of Jules Verne Childhood". Perec once commented: "When Jules Verne lists all the names of fish over four pages in "Twenty Thousand Leagues under the Seas", I feel as though I am reading a poem." The Swiss traveler and writer Nicolas Bouvier cited Verne as his initiation into geography, and named Mathias Sandorf and Phileas Fogg among his childhood heroes. The British traveler and filmmaker Graham Hughes has similarly identified Fogg as one of his inspirations. According to scholarly hypothesis, J.R.R. Tolkien was inspired by Verne during the writing of his Legendarium narratives. The Tolkien scholar Mark T. Hooker and the philosopher Roderick