Ampoule of penicillin
1945
1945
1946
1946
1948
1946
1948
1947
1945
1946
1947
1948
1948
1955; 1830
1945
2000-100 BCE
1946
1938 and 1951
1946-1948
1948
1945-1948
1948
1990-96
1948
1801-1892 (prepared); 1946 (element replaced)
1946-1948
1948
1947
circa 1947
circa 1945
1947
1948
1947
1903 (original); 1982 (model)
1830 (original); 1967 (model)
1945-1946
1947-1948
4000-2001 BCE
1839 (original); circa 1988 (replica)
2 September 1948
1948
circa 1945
1948-10-06
1945-12-19
1956-09
1947-05-12
1947-05-12
1948-08-07
29 March 1946
20 May 1948
19 January 1948