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2. Artificial gills (human) - Wikipedia

   en.wikipedia.org/wiki/Artificial_gills_(human)

   An average freediver needs 150ml of oxygen per minute while resting and 200-250ml of oxygen while swimming. Assuming the mammalian diving reflex, some divers can reduce their heartbeat significantly, down to 14 bpm, radically reducing overall body oxygen demands even down to 100ml per minute. The amount of dissolved oxygen in water varies, but ...

3. Full-face diving mask - Wikipedia

   en.wikipedia.org/wiki/Full-face_diving_mask

   A diver in a pool wearing an AGA full face mask A diver wearing an Ocean Reef full face mask Head protection helmet for use with Ocean Reef full face diving mask. A full-face diving mask is a type of diving mask that seals the whole of the diver's face from the water and contains a mouthpiece, demand valve or constant flow gas supply that provides the diver with breathing gas. [1]

4. Underwater breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Underwater_breathing_apparatus

   Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...

5. Siebe Gorman - Wikipedia

   en.wikipedia.org/wiki/Siebe_Gorman

   From January 1957, Siebe Gorman run a series of advertisements in the British Sub-Aqua Club journal Triton offering "everything for underwater swimming" including the Essgee two-piece dry suit, the Essgee Continental two-piece dry suit and the Essgee Dive Mask Mark II. [13] 1959: The Fairey Aviation Company took over Siebe Gorman.

6. List of diving equipment manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_diving_equipment...

   DESCO, also known as Diving Equipment and Supply Company Inc. – American manufacturer of commercial diving equipment – Surface supplied and scuba equipment, standard diving equipment. [3] shallow water helmets. [34] Divecomputer.eu – Dive computers. [9] Divematics USA Inc. – Manufacturer of Widolf full-face diving masks since 1980. [35]

7. Submarine Products - Wikipedia

   en.wikipedia.org/wiki/Submarine_Products

   Skooba-"totes" dry suit imported in 1960 by Submarine Products Ltd. 1960. March: Submarine Products offers "a complete range of equipment for the discerning diver", namely Sealion breathing apparatus with the Mark III regulator, Tarzan suits, fins, knives, masks, spearguns and the Aquamobile, "the world’s finest water scooter". [11]