20,000 Leagues Under the Sea (1954 film) that the film "may occasionally succumb to some of the problems inherent in the source material (the episodic nature does slow the pace), but the strengths far outweigh the weaknesses, making this one of the greatest science-fiction films ever made." Audiences remember it primarily for its giant-squid battle sequence as well as the "Nautilus" itself and James Mason's portrayal of Nemo. The film currently holds an 89% approval rating at the review aggregator website Rotten Tomatoes, with the consensus being: "One of Disney's finest live-action adventures, "20,000 Leagues Under the Sea" brings Jules Verne's classic sci-fi tale to vivid life,
Twenty Thousand Leagues Under the Sea of underwater breathing apparatus designed by Benoit Rouquayrol and Auguste Denayrouze in 1865. They designed a diving set with a backpack spherical air tank that supplied air through the first known demand regulator. The diver still walked on the seabed and did not swim. This set was called an "aérophore" (Greek for "air-carrier"). Air pressure tanks made with the technology of the time could only hold 30 atmospheres, and the diver had to be surface supplied; the tank was for bailout. The durations of 6 to 8 hours on a tankful without external supply recorded for the Rouquayrol set in