Bimetallic strip spiral from a direct indicating dial thermometer. The strip consists of two metal strips of different thermal expansion coefficients. When the temperature is increased,the spiral starts to unwrap. This effect can be used to construct a thermometer. Photo 1 of 3 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 2977 px × 4500 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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