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Undersea-Related Inventors and Inventions

AQUALUNG
The aqualung is a breathing apparatus that supplied oxygen to divers and allowed them to stay underwater for several hours. It was invented in 1943 by Jacques-Yves Cousteau (1910 -1997) and the French industrial gas control systems engineer Emile Gagnan. Among the innovations in their device was a mechanism that provided inhalation and exhaust valves at the same level. That summer, the new device was tested in the Mediterranean Sea down to 210 ft (68 m) by Cousteau, Philippe Tailliez, and Frédérik Dumas. This safe, easy-to-use, and reliable device was the first modern scuba system.
BATHYSPHERE
A bathysphere is a pressurized metal sphere that allows people to go deep in the ocean, to depths at which diving unaided is impossible. This hollow cast iron sphere with very thick walls is lowered and raised from a ship using a steel cable. The bathysphere was invented by William Beebe and Otis Barton (around 1930). William Beebe (1877 - 1962), an American naturalist and undersea explorer, tested the bathysphere in 1930, going down to 1426 feet in a 4'9" (1.45 m) diameter bathysphere. Beebe and Otis Barton descended about 3,000 ft (914 m) feet in a larger bathysphere in 1934. They descended off the coast of Nonsuch Island, Bermuda in the Atlantic Ocean. During the dive, they communicated with the surface via telephone.
COUSTEAU, JACQUES
Jacques-Yves Cousteau (1910-1997) was a French undersea explorer, environmentalist, and innovator. In 1943, Cousteau and the French engineer Emile Gagnan invented the aqualung, a breathing apparatus that supplied oxygen to divers and allowed them to stay underwater for several hours. Cousteau traveled the world's oceans in his research vessel "Calypso," beginning in 1948. (Calypso was a converted 400-ton World War 2 minesweeper; it sank in 1996, after being hit by a barge in Singapore harbor). Cousteau's popular TV series, films and many books [including "The Living Sea" (1963), and "World Without Sun" (1965)] exposed the public to the wonders of the sea.
Da VinciDA VINCI, LEONARDO
Leonardo da Vinci (1452-1519) was an Italian inventor, artist, and scientist. Da Vinci had an interest in engineering and made detailed sketches of the airplane, the helicopter (and other flying machines), the parachute, the submarine, the armored car, the ballista (a giant crossbow), rapid-fire guns, the centrifugal pump (designed to drain wet areas, like marshes), ball bearings, the worm gear (a set of gears in which many teeth make contact at once, reducing the strain on the teeth, allowing more pressure to be put on the mechanism).

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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
1300's and Earlier 1400's 1500's 1600's 1700's 1801-1850 1851-1900 1901-1950 1951-2000
Clothing Communication Food Fun Medicine Science/Industry Transportation Undersea
African-Americans Women British Isles China France Germany Greece Italy Scandinavia USA/Canada
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