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Glass Water Barometer for Weather Forecasting 15 cm Sphere on Stand with Tube Blue Dye and Syringe Included Home Decoration

Glass Water Barometer for Weather Forecasting 15 cm Sphere on Stand with Tube Blue Dye and Syringe Included Home Decoration

The glass barometer reacts to changes in air pressure – before rain, the water in the thin tube rises above the level in the sphere. An original decoration and a lovely gift. Full description
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€31.40
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Overview
Glass Water Barometer for Weather Forecasting 15 cm Sphere on Stand with Tube Blue Dye and Syringe Included Home Decoration

The water barometer is a simple yet very impressive device that shows changes in air pressure and helps estimate what weather is coming. It is entirely made of glass, which immediately captivates with its clarity and transparency. The glass sphere stands on a round base, and from its bottom part extends a thin curved tube that ends above the upper edge of the sphere. The total height of the barometer is approximately 15 cm, making it easy to fit on a desk, shelf, windowsill, or chest of drawers. Once filled with coloured water, it becomes a colourful decoration that also serves a useful function.

The principle is based on the difference between the air pressure enclosed in the sphere and the pressure of the surrounding air. When rain is approaching and the air pressure drops, the water in the thin tube rises higher than the water level in the sphere. In sunny weather, the level in the tube returns to the same level as in the sphere. At a glance, you can see which way the weather is changing, all without batteries and without electronics. The supplied blue dye dissolves in water and beautifully highlights the level, making changes clearly visible even from a distance.

  • Type – water barometer for weather forecasting
  • Material – glass
  • Height – approximately 15 cm
  • Shape – glass sphere on a round base with a thin curved tube
  • Filling – water dyed with the included water-soluble dye
  • Principle – reacts to changes in air pressure, before rain the water in the tube rises
  • Power Supply – does not require batteries or electricity
  • Recommended Age – from 14 years
  • Contents of the Package – 1 glass barometer, 1 packet of dye, 1 syringe with plastic tube, 1 instruction manual

Filling is simple. Add a little dye to the water, attach the plastic tube to the syringe, draw up the dyed water, and inject it into the sphere through the tube. Usually, this process needs to be repeated about three times until there is enough water in the sphere. Place the barometer on a flat and stable surface where it will not be subjected to impacts, and handle the glass carefully. The surface only needs to be wiped occasionally with a dry or slightly damp cloth to remain clean and transparent.

The glass water barometer combines decoration and a simple device that shows every day how air pressure changes. It is suitable for the living room, study, children's room, or office and will appeal to anyone who loves natural sciences and interesting objects. With a height of around 15 cm, it does not take up much space, and the transparent glass with blue water will enliven any interior. The barometer works without batteries, so you only need to fill it once and then just watch the level in the tube. It is also a practical and original gift for birthdays, anniversaries, or just for joy.

Price incl. VAT €31.40