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From: Todd Leonard <toddl@in*.co*>
Date: Thu, 21 Aug 1997 10:36:43 -0400 (EDT)
To: andrew@ce*.co*.jp*
Subject: Re: isolation valve == hogarthian ??
Cc: cavers@ge*.co*, techdiver@aquanaut.com
>  From: Andrew Drapp <andrew@ce*.co*.jp*>
>  
>  Once again, since I don't seem to be making myself understood well, it
>  seems to me that there are reasons other than Hogarthain ones for
>  bringing along a piece of equipment.  Aditionally, there are times when
>  you bring along a piece of gear that is definately NOT Hogarthian.
>  Take a camera for example.  How can a camera possible make a dive
>  safer?  Does that mean noone should bring along a camera?  Of course
>  not.  I am wondering (yes, I used the term wondering, that means I don't
>  know, and am looking for other views.  NOT that I am trying to tell
>  anyone anything) if maybe an isolation manifold is similar, if
>  considerations other than Hogarthian ones make it the best choice.

Andrew, I think you're getting stuck with a common misconception here,
that there is only one precise configuration that is "Hogarthian", and
any variation from that is therefore "not Hogarthian".  False.  It is
first and foremost a philosophy, from which a core gear configuration
follows.  There is some variation among Hogarthian divers, but in each
case I've seen it is relatively minor and the diver in question can
tell you exactly why they're doing it.  Usually it's so minor that you
would have to be pretty familiar with this gear config to notice it.
However, it should be clear that the gear you use on a dive needs to 
be the best for *that* dive, not for some other possible dive.

But let's take your example -- If you plan a dive that doesn't require 
you to take pictures but you feel compelled to bring a camera anyway, 
that would not be Hogarthian.  It would be a clear violation of the 
"less is best" philosophy.  If you're planning a dive that does require 
you to take pictures, then of course you're going to have to bring a 
camera.  How do you bring it?  In the least cluttered and most streamlined 
way possible -- the same philosophy that guides other gear configuration
will clearly also guide camera configuration and placement.  If you want
a more specific discussion of the best way to bring/use a camera, then
you would have to ask the guys who do it regularly, maybe Barry Miller.


Unfortunately, there are certain individuals on this list who may see
this post as an opportunity to say "You see???  I can configure my gear
any way I want because even Hogarthian divers aren't all the same."
Look at the ridiculous threads that are going on now because as couple
of these guys think that arguably "bad manners" on the part of a few 
people somehow justifies everyone else abandoning reason.  Ignore these 
bozos.  Ignore the folks with bad manners, if that matters to you.  
Focus on the philosophies which are laid out very clearly in the Gavin
chapter of the NACD book and in the Jablonski article that's available 
on the web.  These ideas really make sense, and they really lead to 
the gear configuration we're talking about.  All personal complaints 
to the contrary, I have yet to see a cogent argument against it.

- Todd

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