Ampoule of penicillin
1945
1945
1946
1946
1945
1946
1946
2000-100 BCE
1938 and 1951
1955; 1830
1945
1946
1990-96
circa 1945
1945-1946
1903 (original); 1982 (model)
4000-2001 BCE
1839 (original); circa 1988 (replica)
1801-1892 (prepared); 1946 (element replaced)
1830 (original); 1967 (model)
circa 1946
1953-4
1945
1945
1970-1900
1946
1970-1875
1945
1946
1945
1945
1945
1945
30 CE
30 CE
2686-2613 BCE
1945
1859; 1986
1945-50
1945
1945
1945
1946
1945
1945-1946
2000-1000
post 1946.
1946
1946
1946
1946