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
The Fabulous World of Jules Verne additional high-profile admirers. "The New York Times" critic Howard Thompson found it "fresh, funny and highly imaginative," with "a marvelous eyeful of trick effects." Pauline Kael was similarly glowing, calling the film a "wonderful giddy science fantasy" and adding that Zeman "sustains the Victorian tone, with its delight in the magic of science, that makes Verne seem so playfully archaic." Charles Stinson of the "Los Angeles Times" began a highly positive review for the film by saying: ""The Fabulous World of Jules Verne" is precisely that. For once the title writers and the press agents have been found failing to