Porpoise (scuba gear) Porpoise (scuba gear) Porpoise is a tradename for scuba developed by Ted Eldred in Australia and made there from the late 1940s onwards. The first Porpoise was a closed circuit oxygen rebreather, and the following models were all single hose open circuit regulators. This rebreather was developed by Ted Eldred in the late 1940s and early 1950s. Some were made and used for sport diving, but they did not go into full production. It was worn on the back without a casing. The bag was between the canister and valve assembly and the diver's back. It had two wide breathing
Jacques Cousteau with American television companies (ABC, Métromédia, NBC) created the series "The Undersea World of Jacques Cousteau", with the character of the commander in the red bonnet inherited from standard diving dress intended to give the films a "personalized adventure" style. This documentary television series ran for ten years from 1966 to 1976. A second documentary series, "The Cousteau Odyssey", ran from 1977 to 1982 on public television stations. In 1970, he wrote the book "The Shark: Splendid Savage of the Sea" with his son Philippe. In this book, Cousteau described the oceanic whitetip shark as "the most dangerous of all