On Tue, 06 Sep 2005 13:32:45 -0700, Jim Stewart
wrote:

I've taken apart dozens and as far as I can
see, they are all vented in some way or another.

Reminds me of GM headlamps ..... the last thing they
did was to install a hole to let the water in.
When it gets enough water sloshing about it will hit the
real bulb & *poof*.

But the drives are supposed to be sealed.
--
Cliff