Aqua-Lung
Aqua-lung was the original name for the first open
scuba diving equipment, developed by
Emile Gagnan and
Jacques Cousteau. See
Timeline of underwater technology and
scuba for details of this development.
Aqualung and Aqua Lung are registered trademarks for diving equipment. Aqualung is also the title of an album by rock band Jethro Tull, who had not at the time realised that the word was a trademark.
External Link
http://www.aqualung.com/