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Émile Gagnan. Émile Gagnan (1900 – 1984) was a French engineer and, in 1943, co-inventor with French Navy diver Jacques-Yves Cousteau of the Aqua-Lung, the diving regulator (a.k.a. demand-valve) used for the first Scuba equipment. [1]
Jacques-Yves Cousteau, AC ... invented in 1942 by Émile Gagnan. [6] In 1943 Cousteau tried out the first prototype Aqua-Lung which finally made extended underwater ...
Gagnan's boss, Henri Melchior, knew that his son-in-law Jacques-Yves Cousteau was looking for an automatic demand regulator to increase the useful endurance of the underwater breathing apparatus invented by Commander Yves le Prieur, [8] so he introduced Cousteau to Gagnan in December 1942. On Cousteau's initiative, the Gagnan regulator was ...
Gagnan's boss, Henri Melchior, knew that his son-in-law Jacques-Yves Cousteau was looking for an automatic demand regulator to increase the useful endurance of the underwater breathing apparatus invented by Le Prieur, [12] so he introduced Cousteau to Gagnan in December 1942. On Cousteau's initiative, Gagnan's regulator was adapted to diving ...
Jacques-Yves Cousteau had one of those faces that seemed to come from an earlier time — before the world wars, maybe even before the 20th century. It was a face so thin and tapered yet open, so ...
Jacques Cousteau was an adventurer, filmmaker, inventor, author, unlikely celebrity and conservationist. But for National Geographic’s “Becoming Cousteau,” director Liz Garbus focused on his ...
Describing Earth's vast oceans as the "great barometer" for weather patterns, the grandson of legendary French ocean explorer Jacques Cousteau has embarked on an ambitious underwater mission that ...
The "Aqua-Lung" regulator was created by Jacques-Yves Cousteau and Émile Gagnan in 1943. [5]In 1946, the company known as La Spirotechnique (now Aqua Lung International) was established by both men together with Jean Delorme, CEO of Air Liquide, as a division of Air Liquide to sell the Aqua-Lung regulators.