Jeff,
   There are only two fully assembled and functional units, Al Alcorn
doesn't even have one and he was the head of the Atari Cosmos project, but
he does own a set of the plastic shells.   I have one of the functional
units and a CES mockup, the other is owned by a former Atari engineer from
Atari's special projects unit.   Here is a link to images and history of the
Cosmos at my site:
http://www.atari-history.com/cosmos/cosmos.html
Curt
----- Original Message -----
From: "Jeff Hellige" <jhellige(a)earthlink.net>
To: <classiccmp(a)classiccmp.org>
Sent: Sunday, February 03, 2002 11:07 AM
Subject: Re: Classic Game Console Search
  I have a
Microvision (in not so good shape, I don't know if it's
functional or not) but never heard of Adventure Vision or COSMOS. 
 In the spring of 1980, Atari showed COSMOS at a press
 conference in New York.  It was designed by Al Alcorn and was a
 'holographic' game.  It's my understanding that it basically
 disappeared after that.  I've never seen pictures of it or it's
 game(s).
 Jeff
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