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Ron Taylor
How to Use a Simple Barometer | Xomba.com - http://www.xomba.com/how_use...
July 8, 2009
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A barometer is an instrument used to measure atmospheric pressure. Meteorologists track a series of changes in atmospheric pressure to forecast impending weather changes. Decreasing atmospheric pressure is a sign that rainy weather might be on the horizon. KW090708
- Ron Taylor