Spectroscopic apparatus used by Robert Wilhelm Bunsen (1811-1899) and Gustav Robert Kirchhoff (1824-1887). Discovered Spectrum Analysis (1859) which enabled discovery of elements including caesium and rubidium. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 4037 px × 4325 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |