Ted - It must be nice diving in shallow clear water. Here it is dark at 90 feet. At 07:55 AM 12/3/98 +0000, you wrote: >> Date: Wed, 02 Dec 1998 19:36:27 -0500 >> From: KVI <kirvine@sa*.ne*> >> Subject: Re: techdiver arguments > > George, > For those of us who have never dove in caves, please explain to >us this "signalling" that requires a focusable light. Does this >require a black environment with walls, or is it also applicable to >diving where the sun is the primary light source and a dive light is >used to look under wreckage etc.. > >Ted -------------------------------- Kevin Connell <kevin@nw*.co*> NW Labor Systems http://www.nwls.com -------------------------------- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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