On 21 Jan 2005 08:19:06 -0800, wrote:

A name easily remembered by those of us lucky enough to have been young
in the 60's:

A hookah.

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I don't think so, sounded to me like he was looking for a propulsion
device. A dive hookah is an above water compressor unit which can be
either electric or gas:

http://www.airlinebyjsink.com/

There are electric devices like this called "dive scooters":

http://www.greatamericanoutfitters.c...?CategoryID=22