1c – breathingThe acronym S.C.U.B.A stands for Self-Contained Underwater Breathing Apparatus, and was coined by Dr Christian Lambertsen in 1954 – a new name for his earlier invention, the Lambertsen Amphibious Respiratory Unit .2b –.
Remembering the World War II Frogmen Who Trained in Secret off the California Coast atlasobscura.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from atlasobscura.com Daily Mail and Mail on Sunday newspapers.