Materials: Glass, Metal
It is a creator distributed by the Pépinière which distributes didouch
Philippe Bouveret has created Lepine competitions
The operation of this barometer is very simple: a small pellet is immersed in water and its position varies according to the atmospheric pressure.
It is regulated by a small chain at the height of the local atmospheric pressure (on the internet)
Depending on the weather to come, the pellet goes towards the cloud or the sun
Here is the explanatory video
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