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Weather Ball Barometer
Weather Ball Barometer
Popular Choice
Price: $39.50
Indicates changes in air pressure quickly and accurately. The ball is filled with colored distilled water. Once filled the air trapped inside the ball is no longer subject to variations in atmospheric pressure. The liquid in the indicator tube, however,..
Product Number: SB33482M
  Quantity:
 
Aneroid Barometer
Aneroid Barometer
Price: $19.90
The perfect barometer for giving demonstrations. Features a protective transparent case, air-tight seal, and a pressure bulb to force movements for teaching purposes.
Product Number: SB48285M
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Dial Barometer
Dial Barometer
Price: $29.95
Large clear, dual scale in hPa (hecto Pascal), and mm hg on a 4" diameter dial which is easy to read from a distance. Accuracy of ±3 to 4 hPa. Excellent for classroom or lab use. Wall mount.
Product Number: SB23610M
  Quantity: