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What temperature range does the BD923 cover
Readings above 5
including home weather monitoring
and Weather Monitor II stations
Measuring Range
Weather Ball Barometer TP7D-050-EW-SM What temperature range does theThe Weather Ball Barometer indicates changes in air pressure quickly and accurately. Torricelli (1608 1647) proved that air pressure was subject to variations and in 1643 he devised the first barometer. Goethe, the famous German playwright, who enjoyed scientific experiments, later developed his own simple, but effective barometer using the principles established by Torricelli. This barometer is based on Goethes design. The ball is filled with colored
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