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To: techdiver@opal.com
Subject: nitrox (was: re: restrictions on diving (was: Re: ultrasound))
From: "A.APPLEYARD" <A.APPLEYARD@fs*.mt*.um*.ac*.uk*>
Date: Wed, 13 Jul 1994 16:21:05 GMT
  awright@gs*.bt*.co*.uk* (Alan Wright) wrote on Wed 13 Jul 1994 14:13:22 +0000
(Subject: re: restrictions on diving (was: Re: ultrasound)):-

  > Keller and Buhlmann did a lot of mixed-gas diving research in the 60's ...
Although Keller and Buhlmann kept their actual mixes secret their work was
public. They invited the press to their trials.
  What use was their work if they kept important details secret so others
couldn't use their results for diving or as a basis for more research work?

  > even up to the classic statement about the N2 and O2 stratifying in the
cylinder, just as it does in the upper atmosphere (huh?).

  Who among them and when said/wrote that!? When I recently went to BSAC's
national headquarters (Telford's Quay, Ellesmere Port, Cheshire, England:
follow the signs to the canal boat museum) and ventured to say the `r-word' (=
`rebreather') in their main base, one of them from what he said had clearly
picked up a strange rumour about recent USA laws and events re rebreathers.
They have or had rules absolutely forbidding old-style hardhat diving as well
as rebreather diving. But so many years of everybody concerned interfacing a
flamethrower to their computer or typewriter or pen at any idea of rebreathers
[1], the rebreather article in `Diver' magazine May 1994 said that one of the
people trying out various mixture rebreathers at Fort Bovisand (Plymouth,
Devon, England) was one of BSAC's top staff: times change.

  [1] So much so that one recent diving article that I saw used `rebreather'
to mean `rebreather-type resuscitator' without fear of ambiguity.

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