Jean Augustin Barral (1819-1884), French agricultural chemist, 1884. Barral was the first to extract nicotine from tobacco leaf. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Ann Ronan Picture Library |
Bildgröße: | 2922 px × 3596 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |