Mercury Barometer
Climate Change
An instrument for measuring atmospheric pressure. The instrument contains an evacuated and graduated glass tube in which mercury rises or falls as the pressure of the atmosphere increases or decreases.
- — ARM Climate Research Glossary retrieved 2014-06-12
Mercury barometer A mercury-filled glass tube in which the height of the mercury column is a measure of air pressure.
Weather
An instrument for measuring atmospheric pressure. The instrument contains an evacuated and graduated glass tube in which mercury rises or falls as the pressure of the atmosphere increases or decreases.