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The Nautical Flag Collection Water Glass Barometer represents a barometer style that has been around for about 400 years. Simply fill it with colored water and watch the level in the spout rise and fall with the changing weather. A high-pressure area will push the fluid level down in the spout and generally means fair [...]

The Eco-Celli Liquid-Filled Barometer is a patented new development in the ecological design of liquid barometers. This barometer contains no mercury. Instead the U-shaped glass tube is filled with a red fluid as well as a gas to comprise the barometer portion of the instrument. The barometer's scale is four times larger than a standard [...]

The Eco-Celli Liquid-Filled Barometer (Acrylic) is a patented new development in the ecological design of liquid barometers. The Eco-Celli contains no mercury making it a suitable barometer for all schools and many hospitals. Mercury is extremely hazardous especially to the well-being of young children. Cleanup costs for mercury spills can range from $2000 to more [...]