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Scuba is the signifier for Self Contained Underwater Breathing Apparatus. Jacques-Yves Cousteau and Emile Gagnan are considered to be the inventors of the breathing apparatus match kit we have nowadays.

The key terms in SCUBA are 'Self Contained', since the secondary forms of diving event wheel be on a hose, which leads to the on the surface of the dampen. The footwear is attached to a mechanical device which forces fallen air through with the hose at specified a pressure, which will undo out the pressure, exerted by the sea on the diver's strongbox. One such as equipment is the diving bell. The early versions of diving event carillon could be titled self-contained in one awareness of the term because it lacked a hose, and the full air supply getable was whatsoever was once filling the bell. However, the pocket-sized air supply affected the operation and fundamental quantity of time, which the adventurer could devote nether liquid.

Before Jacques-Yves Cousteau and Emile Gagnan designed the model for the fashionable breathing apparatus diving gear, nearby were both measurable inventions, which led up to it. Several empire well-tried to get it together a complete apparatus for divers, such as:

Aristotle is aforementioned to have delineate a diving bell in 360 BCE, and Alexander the Great ostensibly ready-made various dives victimization a unskilled bell in 332BCE.

Sieur Freminet modern the outstandingly opening self-contained air instrumentality in 1772 - a 'rebreathing' equipment which would cycle the air covered the diving event bell which had been exhaled. However, Freminet died after self in his design for twenty written record due to separate lack of gas.

William James made-up a self-contained air instrumentation in 1825. It consisted of a tubelike cast-iron belt, holding comfortable air for a seven- extremely small eternal dive, connected to a cu armour plate.

Benoit Rouquayrol and Auguste Denayrouse designed a machinery in 1865 which consisted of a crosswise steel armoured vehicle of air connected to the diver's rear and connected to a mouth-piece.

Henry Fleuss improved a sterilized o 'rebreather' and it was a electric circuit instrumentality.

Dr. Christian Lambertsen formed a 'Self-Contained Underwater Oxygen Breathing Apparatus' for the U.S. branch of knowledge war effort, code-named 'SCUBA' in 1939. Even tho' this setup worked very well for shelfy sea diving, the gas toxicity made it shaky for greater depths.

Finally, researchers such as Cousteau definite that filtered and purified compacted air was the prizewinning gas concoction to use in complete breathed tendency. During World War II, about 1942-43, Jacques-Yves Cousteau and Emile Gagnan reworked a physical phenomenon device which Gagnan had first of all mature to alter automobiles to run on seedlike oils due to acute inadequacy of coal during the war. The new control would displace firmed air at the word-perfect anxiety to defuse the trauma put on the diver's safe by the hose. They titled their contraption the 'Aqua-lung', and this has been the originator for the scuba diving event cogwheel of today