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 National Estuarine Research Reserve On October 20, 1997 the Jacques Cousteau National Estuarine Research Reserve (JC NERR) was dedicated in honor of Jacques Cousteau. The JC NERR is one of 26 National Estuarine Research Reserve (NERR) created to promote responsible use and management of our nation's estuaries. Estuaries, where the rivers meet the sea, are the wide lower course of a river where its current is met by the tides. This mix of fresh and salt water creates a unique and very productive ecosystem vital to life both on land and in the sea. The mission of the Jacques Cousteau National Estuarine Research Reserve