Spectroscope, 1882. A spectroscope of the type used by Gustave Robert Kirchhoff (1824-1887) and Robert Wilhelm Bunsen (1811-1899) in studying the emission spectra of heated chemical elements. From Physics in Pictures by Theodore Eckardt. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3302 px × 5287 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |