diving chamber

“We have an opportunity to save an ecosystem rather than restoring it,” said Lina Challita, the Sharm diving chamber’s environmental officer.

It was a scheme for finding oil in shallow coastal waters: a steel diving chamber, which Union Oil plans to use off the Louisiana coast this month.

Under water, the divers can emerge through a bottom hatch, work outside from two to six hours, then return to the diving chamber.

So great was the depth that only the blue and violet rays of the sun's spectrum penetrated, yet the submarine scene seemed brilliantly lighted compared to the gloom of the diving chamber when its electric bulb was turned off.

His first boat, the Argonaut, as we have heard, possessed a diving chamber for just such purposes.