Posted by JohnB on July 06, 2001 at 01:23:53:
In Reply to: found this article in 'underwater magazine'... posted by kelphead on July 05, 2001 at 23:31:51:
but that's the first I've heard about a serious attempt at a solution. With warm air, Halcyon gear, and big tanks rebreathers are going to be tough to sell!