Mining Pitchblende, Cornwall, England, c1916. Radium, isolated by the Curies in 1898, is extracted from this ore. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3031 px × 5763 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |