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Clear Glass Solar Radiometer with a Seahorse Stand

 

This solar radiometer is made by traditional Thurngarian hand blowing methods in Germany from crystal Lauscher glass. In the glass body is a 4-vane drive assembly, which turns under the influence of light. One side of each vane is black, the other is silver.

 The Crookes radiometer was invented by the chemist Sir William Crookes as the by-product of some chemical research. In the course of very accurate quantitative chemical work, he was weighing samples in a partially evacuated chamber to reduce the effect of air currents, and noticed the weighings were disturbed when sunlight shone on the balance. Investigating this effect, he devised the device named after him, still manufactured and sold to this day as a curiosity item

 

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Solar Radiometer With Seahorse Stem

In stock

Product code: 002931
£32.00

Clear Glass Solar Radiometer with a Seahorse Stand


 


This solar radiometer is made by traditional Thurngarian hand blowing methods in Germany from crystal Lauscher glass. In the glass body is a 4-vane drive assembly, which turns under the influence of light. One side of each vane is black, the other is silver.


 The Crookes radiometer was invented by the chemist Sir William Crookes as the by-product of some chemical research. In the course of very accurate quantitative chemical work, he was weighing samples in a partially evacuated chamber to reduce the effect of air currents, and noticed the weighings were disturbed when sunlight shone on the balance. Investigating this effect, he devised the device named after him, still manufactured and sold to this day as a curiosity item


 

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