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Storm Glass Fitzroy


Availability: In stock


Quick Overview

A Storm Glass is a type of weather forecasting device composed of a sealed glass container filled with liquid. The appearance of the liquid purportedly predicts the weather. The liquid within the glass is amixture of several ingredients most commonly distilled, ethanol, potassium nitrate, ammonium chloride and camphor. This specific mixture was developed by Admiral Robert  Fitzroy and used on his voyage with Charles Darwin on his 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 be bright and clear. If the liquid contains small stars on sunny winter days, then snow is coming!

Made of 23cm handblown glass the Storm Glass is not only functional but a beautiful gift, ideal for ages 12 to adult!


Storm Glass Fitzroy

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Storm glasses are used as a type of berometer to predict the weather conditions. Crystals form in different types of weather. For example; if the liquid is clear then the weather is predicted to be sunny and clear, if the liquid is cloudy then the weather is going to be cloudy with possible rain.