Bimetallic strip spiral from a direct indicating dial thermometer. The strip consists of two metal strips of different thermal expansion coefficients. When the temperature changes,the spiral starts to either unwrap,or wrap more tightly | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Giphotostock |
Bildgröße: | 4500 px × 2992 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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