Large Tear Drop Storm Glass

Large Tear Drop Storm Glass

In stock
A beautiful weather forecasting device developed by Admiral Robert FitzRoy and used on his voyage with Charles Darwin. The liquid inside crystallises spectacularly in response to changes in air pressure.
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The Fitzroy Storm Glass is a sealed glass container filled with a liquid which responds to changes in the weather, allowing the observer to forecast the possibility of storms, snow, wind, rain or clear skies. These documented changes are visually stunning, making the storm glass functional and extremely attractive.

Please note, while the Tear Drop Storm Glass looks beautiful it is not 100% reliable in delivering accurate weather forecasts.

The FitzRoy Storm Glass is made of high quality glass with encapsulated liquid. This specific mixture was developed by Admiral Robert FitzRoy and used on his voyage with Charles Darwin on the HMS Beagle.

During the historic voyage, FitzRoy carefully documented how the storm glass would predict the weather:
  • If the liquid in the glass is clear, the weather will be bright and clear.
  • If the liquid is cloudy, the weather will be cloudy as well, perhaps with precipitation.
  • If there are small dots in the liquid, humid or foggy weather can be expected.
  • A cloudy glass with small stars indicates thunderstorms.
  • If the liquid contains small stars on sunny winter days, then snow is coming.
  • If there are large flakes throughout the liquid, it will be overcast in temperate seasons or snowy in the winter.
  • If there are crystals at the bottom, this indicates frost.
  • If there are threads near the top, it will be windy.
More Information
  • The Fitzroy Storm Glass is 23 cm in height
  • Weather station
  • Wooden stand
  • Beautiful room ornament
  • The liquid prevents the Fitzroy Storm Glass from being available for overseas delivery
  • The liquid contains potassium nitrate, ammonium chloride, distilled water, ethanol and camphor
Brand Heebie Jeebies
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