Weather glass
he weather glass is one of the oldest weather observation instruments.
Goethe busied himself with the study of air pressure using such a devise.
The position of the water in the glass tube reliably indicates all changes in air pressure.
These gadgets used to freak me out as a kid when there were tornado warnings. When the water started coming out of the spout, I thought that meant there was a tornado about to hit us.
Comment by Electronic Gadgets — June 26, 2008 @ 8:35 pm