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Rebreather diving is practiced by recreational, military and scientific divers in applications where it has advantages over open circuit scuba, and surface supply of breathing gas is impracticable. The main advantages of rebreather diving are extended gas endurance, low noise levels, and lack of bubbles. [ 1 ]
1849 illustration of various diving equipment. The history of underwater diving starts with freediving as a widespread means of hunting and gathering, both for food and other valuable resources such as pearls and coral. By classical Greek and Roman times commercial applications such as sponge diving and marine salvage were established.
Momsen lungs on display on USS Drum. The Momsen lung was a primitive underwater rebreather used before and during World War II by American submariners as emergency escape gear. It was invented by Charles Momsen, who worked on it from 1929 to 1932. [1] Submariners trained with this apparatus in an 80 ft (24 m) deep Escape Training Tank at New ...
A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath. Oxygen is added to replenish the amount metabolised by the user. This differs from open-circuit breathing ...
To dive safely with nitrox, the diver must learn good buoyancy control, a vital part of scuba diving in its own right, and a disciplined approach to preparing, planning and executing a dive to ensure that the ppO 2 is known, and the maximum operating depth is not exceeded. Many dive shops, dive operators, and gas blenders (individuals trained ...
British military electronically controlled closed circuit rebreather. The CDLSE ( Clearance Divers ' Life Support Equipment) is made by Divex in Aberdeen, Scotland. [1] It is an electronic closed circuit rebreather designed to be silent and non- magnetic. It allows diving to 60 metres (200 ft) using air as diluent, or up to 120 metres (390 ft ...
Henry Albert Fleuss (13 June 1851 – 6 January 1933) [ 1 ] was a pioneering diving engineer, and Master Diver for Siebe, Gorman & Co. of London. Fleuss was born in Marlborough, Wiltshire in 1851. [ 2 ] In 1878 he was granted a patent which improved rebreathers. His apparatus consisted of a rubber mask connected to a breathing bag, with ...
The International Association of Nitrox and Technical Divers (IANTD) is a scuba diving organization concerned with certification and training in recreational diving, technical diving, cave diving, wreck diving, rebreather diving and diver leadership. Originally formed as the International Association of Nitrox Divers in 1985 by Dick Rutkowski ...