Original preparation of quinine by Pelletier and Caveton
1820
1820
1990-96
2000-100 BCE
4000-2001 BCE
1893-4
1821
1820
1822
1860-1920
1818
1610; 1923
1863-7
circa 1820
1820
1818
1772 (original); 1919 (model)
1819
1775-1799 (original); 1900-1907 (model)
1821
1821
1821
1705-1737
1990-95
1600-1500 BCE (original); 1900-1914 (copy)
1822
1730-1760 (original); 1931-1939 (replica)
1910-1921
1856-11
1819
2800 BCE
1988 (model); 1752 (original)
1-79 CE; before 1914
1818-1822
1846-08
1915
1899/12
1819
1900-1943
1822
1856-01
1898-01
1884
1860-1920; 500-401 BCE
1965-195
1818
1819
1820
250 BCE; 1931
1818
1871-1900 (copy); 618-907 CE (original)