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
Jules Verne title that has also been given to H. G. Wells and Hugo Gernsback. Jules Gabriel Verne was born on 8 February 1828, on Île Feydeau, a small artificial island on the Loire River within the town of Nantes, in No. 4 Rue de Clisson, the house of his maternal grandmother Dame Sophie Allotte de la Fuÿe. His parents were Pierre Verne, an attorney originally from Provins, and Sophie Allote de la Fuÿe, a Nantes woman from a local family of navigators and shipowners, of distant Scottish descent. In 1829, the Verne family moved some hundred meters away to No. 2