David Strike wrote:

> I've been catching up - and properly reading - the posts of the last
couple
> of days and was intrigued by one poster who suggested that historically
> ascent rates were based on the speed of medium sized bubbles?  Never
having
> carried a micrometer with me when diving, (and not knowing of any other
> divers who have, either!),  I can honestly say that I don't know exactly
> when a large bubble becomes a medium-sized one?  Or when a medium-sized
one
> becomes a small one?  :-)

That wasn't all that clear back then either.  Can't blame the messanger who
accurately reports someone else's message.

> That being the case, when using the, "follow the bubble" technique, just
go
> with the smallest and slowest - which is what more than a few "old 'n'
> bolds" told me to do!  :-)

Good advice and, I think, what I suggested as a starting point . . . make
that I hope I did.  Regardless, I agree.

Lee