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Ken Sallot <KEN@co*.ci*.uf*.ed*> wrote:
>Sorry, biological dry suit heating was perfected by a chemical 
>engineer from Dupont awhile ago. He scarfed down some onion rings 
>then went for a cave dive in Manatee last december, rumour has it 
>that his drysuit is still not the same. You should have seen the look 
>on his buddies face when he unzipped the suit. One word - phew.

Sorry, the Dupont guy can't claim the idea as original either.  Back in
February 1989, a bunch of us went up to Big Tub Lodge in Tobermory for a
weekend of ice diving.  Saturday night they served beans, and Sunday we
were outside in our drysuits all day, diving, sitting as safety diver
for each other, line tending, or just standing around and periodically
telling each other "Boy, I sure pity whoever unzips my suit tonight". 
Ultimately, of course, everyone did have enough freediving experience
that it wasn't a problem to take a deep breath, unzip a suit, and get
upwind before inhaling again.  And even then, this was nothing new and
nobody thought to patent the idea.  As I recall, too, we were thinking of
it more in terms of redundant inflation than for warmth.

-- 
Anthony DeBoer                                  http://www.onramp.ca/~adb/
adb@he*.re*.or* (here)
adb@ge*.co* (work)                             #include "std.disclaimer"

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