The variable ballast tank is worn by an underwater swimmer to enable him to regulate his buoyance at will. The diver's air supply is utilized to adjust the buoyancy of a ballast tank by regulating the volume of water contained in the ballast tank under control of a simple lever positioned just above hip-pocket position.
Buoyancy Adjusting Device for Swimmers
1964
1 pages
Report
Keine Angabe
Englisch