FitzRoy Storm Glass Candlestick

Observe FitzRoy's storm glass in action with this elegant storm glass candlestick! Popularised by Admiral Robert FitzRoy in the 1860s who claimed that if fixed, undisturbed, in free air, not exposed to radiation, fire, or sun, but in the ordinary light of a well-ventilated room or outer air, the chemical mixture in a so-called storm-glass varies in character with the direction of the wind, not its force, especially (though it may so vary in appearance only) from another cause, electrical tension.

The storm glass or chemical weather glass is an instrument from the 19th century which was proposed as a method for predicting the weather. It consisted of a special liquid placed inside a sealed transparent glass. The state of crystallization within the liquid was believed to be related to the weather.

The liquid within the glass is a mixture of several ingredients, most commonly distilled water, ethanol, potassium nitrate, ammonium chloride, and camphor. 

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.

Perfect functional and decorative piece for your desktop, shelf, office or home.

Product Details:

• 1 x FitzRoy Storm Glass Candlestick
• Storm Glass Candle Height: 18cm
• Package Size: 22cm x 8cm x 8cm
• Age Range: > 8 years old
• Warning: Small parts not for children under 3 years old

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