Tarnished silver (silver sulfide) kettle with a circle of tarnish wiped clean. Tarnish forms on silver when it is exposed to hydrogen sulfide in the atmosphere | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Amos, James L. |
Bildgröße: | 6150 px × 4870 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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