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To: awright@gs*.bt*.co*.uk* (Alan Wright)
Subject: Re: NITROX - EAD
From: ddoolett@me*.ad*.ed*.au* (David Doolette)
Cc: techdiver@opal.com
Date: Sat, 30 Jul 1994 14:09:12 +0930
>Perhaps you are thinking of the slab (single compartment) model - RNPL
>tables. BTW, RNPL are still used extensively in Scotland with very few
>problems. Although the big impact of nitrox means that the club now
>approves the use of Buhlmann tables.
>
>A small anecdote on the original figure. One of the members of our club
>had a conversation with one of the assistants that worked with Haldane
>(sorry, don't know if it was Haldane the older or Haldane the younger)
>several years ago. They were discussing the early decompression
>experiments with goats. The way they could tell if the goat had DCS was
>when it squealed and apparently if things were getting boring the
>assistants used to kick the goats so they could record a result and
>knock-off work early.
>
I imagine it would have been J.B. Haldane (senior) since he did the 
decompression work with goats.  You should read the original paper, it is 
funny enough on its own.  Boycott, A.E., Damant, G.C.C. and Haldane, J.S. 
The prevention of compressed-air illness. Journal of Hygiene (London) 
8:342-443, 1908.  No disrespect  intended to J.S. Haldane who I admire 
greatly for his huge contribution to many areas of  respiratory physiology 
(not just diving), but old scientific papers usually sound quaint from a 
modern perspective.  My favorite passage in this particular paper is the 
description of type II bends in goats, symptoms including not being 
interested in eating corn of which they were usually "inordinantly fond".

J.B.S. Haldane (junior) was also a physiologist and did some work in the 
hyperbaric area, relating to carbon monoxide toxicity, he was a bit of a loon.

regards,

David Doolette
ddoolett@me*.ad*.ed*.au*

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