Two French chemists (1 gen 1820 anni – 1 gen 1840 anni)
Descrizione:
In 1820, two french chemists, Pierre Pelletier and Joesph Caventou, extracted the alkaloid of quinine from cinchona bark, and by the 1840s European colonizers kept quinine pills by their bed standsAggiunto al nastro di tempo:
Data:
1 gen 1820 anni
1 gen 1840 anni
~ 20 years