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De La Librairie Thermographique
Version du 5 février 2013 à 13:46 par Hcrepin (discuter | contributions)
Afterimage
It is a situation where a cold cave can be accessed through a wood trappe.
It was here an heavy foot of a coat-bearer up this who's insulating a part of the trap from the heat of the upper side.
Once removed, it stays a clear mark for some quarters, the little circle is just the metallic ring to open the trappe and a local downsizing of the wood's trappe height.
