Timeline of underwater[?] technology 1716 - Edmund Halley builds a diving bell[?] 1801 - Robert Fulton builds the first submarine 1819 - Augustus Siebe[?] invents a diving suit[?] which receives air pumped down from the surface 1934 - Charles Beebe[?] dives to 3,028 feet using a bathysphere 1943 - Jacques-Yves Cousteau makes the first dive with a compressed-air aqualung