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 | | The first truly self-contained diving dress is credited to Englishman, Henry Fleuss, who, in the early 1870's, had perfected an oxygen rebreathing apparatus consisting of a cylinder of oxygen compressed to 30 atmospheres and a flexible bag between which was an oxygen regenerating device to absorb the expired CO2. |
 | | lthough both practical and functional, divers making use of Siebe's diving dress remained dependent on the surface and were restricted in their ability to explore underwater by the umbilical air hoses and safety lines. |
 | | he history of modern diving, properly begins, however, in 1819 with the patented invention, by Augustus Siebe, of an open helmet to which, in 1837, he added a flexible dress. |
| e-nekton.com /archive/edition3/divehistory2.html (860 words) |
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