Ambient Weather B1025C Antique Storm Glass Wall Mount Liquid Barometer with Drip Cup This traditional weather station is both a work of art and an instrument at home in any fine study, library, office or upscale restaurant. The classic weather station measures barometric pressure (liquid). A narrow spout connects to the body below the water level and rises above the water level, where it is open to the atmosphere. Includes one year factory warranty from Ambient Weather.