Main Page | See live article | Alphabetical index Timeline of underwater technology 1531 - Guglielmo dives on two of Caligula's sunken galleys using a diving bell from a design by Leonardo da Vinci. 1772 - Sieur Freminet builds the first scuba device, but dies from lack of oxygen after 20 minutes 1801 - Robert Fulton builds the first submarine, the Nautilus 1819 - Augustus Siebe invents a diving suit which receives air pumped down from the surface 1825 - William H. James designs a self contained diving suit that had compressed air in a iron container worn around the waist. 1876 - Henry Fleuss designs the first working rebreather 1934 - Charles Beebe dives to 3,028 feet using a bathysphere 1943 - Gagnan invents the regulator and Jacques-Yves Cousteau makes the first scuba dive with a compressed-air aqualung 1948 - Auguste Piccard sends the first bathyscape, FNRS-2, on unmanned dives 1954 - USS Nautilus, the first nuclear-powered submarine, is launched 1954 - first manned dives in FNRS-2 1956 - first wetsuit was introduced 1958 - USS Nautilus completes the first ever voyage under the polar ice to the North Pole and back 1960 - Jacques Piccard and Lieutenant Don Walsh, USN, descend to the deepest known point in the ocean in the bathyscape Trieste 1960 - USS Triton completes the first ever underwater circumnavigation 1983 - Orca Edge dive computer was introduced. 1985 - The wreck of the Titanic was found. links other time lines (http://scuba.about.com/library/weekly/aa100198.htm ) This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.