Nautilus (Verne) assembled by Nemo's men on a desert island. "Nautilus" most likely returned to this island and later helped castaways in the novel "The Mysterious Island". After Nemo dies on board, the volcanic island erupts, entombing the Captain and "Nautilus" for eternity. Beside her original appearance in "Twenty Thousand Leagues Under the Sea" and "The Mysterious Island", "Nautilus" and Captain Nemo have appeared in numerous other works. Submarines feature in some other of Verne's works. In the 1896 novel "Facing the Flag", the pirate Ker Karraje uses an unnamed submarine that acts both as a tug to his schooner "Ebba" and
Nautilus (1800 submarine) proposal to the Minister of Marine, who granted him permission to build. Fulton built the first "Nautilus" of copper sheets over iron ribs at the Perrier boatyard in Rouen. It was long and in the beam. Propulsion was provided by a hand-cranked screw propeller. The hollow iron keel was the vessel's ballast tank, flooded and emptied to change buoyancy. Two horizontal fins, diving planes in modern terms, on the stubby horizontal rudder controlled angle of dive. Overall, "Nautilus" resembled a modern research submarine, such as the NR-1, having a long teardrop hull. The design included an observation dome, somewhat similar