Historic water glass after the Weimaraner Privy Goethe to hang. This simple barometer responds sensitively to changes in atmospheric pressure, through the water in the column are displayed. A high level indicates declining, a lower status is rising air. The water should be in a place with constant temperature should be, because otherwise the change of temperature influence on the ad notes.
The barometer is ca. 22 cm high.
This article reflects the protected trademark of the Thuringian Glass Art Guild .