Twenty Thousand Leagues Under the Sea even for 1869 ... In none of these technical situation did Verne take advantage of knowledge readily available to him at the time". Thomas said, however, that despite poor science, plot, and characterization, "Put them all together with the magic of Verne's story-telling ability, and something flames up. A story emerges that sweeps incredulity before it". Jules Verne's wrote a sequel to this book: "L'Île mystérieuse" ("The Mysterious Island", 1874), which concludes the stories begun by "Twenty Thousand Leagues Under the Sea" and "In Search of the Castaways". While "The Mysterious Island" seems to give more information about Nemo (or
20,000 Leagues Under the Sea: Submarine Voyage (as it was known to the employees) where the "helmsman" stood and controlled the vehicle's operation. The "diving" effect was produced by bubble machines located throughout the attraction, as well as using the waterfalls at the entrance to the show building. Each of the twelve vehicles accommodated a total of forty riders. Vehicles normally cycled through the attraction in packs of three. Despite the extensive 20,000 Leagues Under The Sea overhaul the attraction was given, essentially it was still the same as its Californian counterpart Submarine Voyage, in both its underwater show scenes and narration, except for a few occasional