A device that makes a strong magnetic field to magnetize iron. This device is used to also re-magnetize old bar magnets | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kinsman, Ted |
Bildgröße: | 5616 px × 3744 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
|