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The timeline of underwater diving technology is a chronological list of notable events in the history of the development of underwater diving equipment.With the partial exception of breath-hold diving, the development of underwater diving capacity, scope, and popularity, has been closely linked to available technology, and the physiological constraints of the underwater environment.
Uses. Breathing gas supply for scuba or surface-supplied divers. A diving cylinder or diving gas cylinder is a gas cylinder used to store and transport high pressure gas used in diving operations. This may be breathing gas used with a scuba set, in which case the cylinder may also be referred to as a scuba cylinder, scuba tank or diving tank.
Diving equipment. Diving equipment, or underwater diving equipment, is equipment used by underwater divers to make diving activities possible, easier, safer and/or more comfortable. This may be equipment primarily intended for this purpose, or equipment intended for other purposes which is found to be suitable for diving use.
Aqua-Lung. Aqua-Lung[1] was the first open-circuit, self-contained underwater breathing apparatus (or "scuba") to achieve worldwide popularity and commercial success. This class of equipment is now commonly referred to as a twin-hose diving regulator, [2] or demand valve. The Aqua-Lung was invented in France during the winter of 1942–1943 by ...
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 ...
Smith, joined by Rawlinson, Silverman. Omega S. A. v. Costco Wholesale Corp., 541 F.3d 982 (9th Cir. 2008), was a case decided by the Ninth Circuit Court of Appeals that held that in copyright law, the first-sale doctrine does not act as a defense to claims of infringing distribution and importation for unauthorized sale of authentic, imported ...
History of underwater diving. 16th century Islamic painting of Alexander the Great lowered in a glass diving bell. 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.
Scuba diving - Wikipedia ... Scuba diving
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