Encyclopedia > Emile Gagnan

Article Content

Emile Gagnan

French engineer. Co-inventor (together with Jacques Cousteau) of the demand-valve used for the first Scuba equipment ("Aqua-Lung"). The demand-valve was designed for regulating gas in gas-generator engines, but was found to be excellent for regulating air-supply under variating pressure conditions.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

East Farmingdale, New York

... water. The total area is 0.56% water. Demographics As of the census of 2000, there are 5,400 people, 1,693 households, and 1,286 families residing in the town. The ...