Becquerel phosphoroscope. This device,invented by the French physicist Alexandre-Edmond Becquerel (1820-1891),is used to measure the time taken for a phosphorescent material to stop glowing. Artwork from the tenth volume (second period of 1892) of the French popular science weekly 'La Science Illustree' | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4551 px × 3861 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |