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Weather Ball Water Barometer
By TFA
$74
Free Delivery Australia-wide
Availability: In stock.
The ‘Weather Ball' is based on an idea by the German writer Johann Wolfgang von Goethe (1749 - 1832). Using only water, it indicates quickly and accurately any variation in air pressure.
A fascinating yet simple instrument, the ‘Weather Ball' is also a good way to help young minds understand the effects of barometric pressure variations.
Filling and monitoring the ‘Weather Ball' makes a great family - or classroom - science project.
- Includes instructions on filling procedure and accessories to colour the water (food colouring).
- Made of glass.
- Water barometers are also know as ‘Spout barometers', ‘Goethe barometers' or a ‘Weather Glass '.
- On rare occasions, extremely low air pressure may cause water to overflow from the spout, so place the instrument on a surface that can be easily cleaned.
- From TFA-Dostmann, Germany
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Prices include GST. Actual timber finishes may vary from product photos.
