Ampoule of penicillin
1945
1945
1946
1946
1946
1943
1947
1945
1946
1947
2000-100 BCE
1944-1945
1946
1938 and 1951
1955; 1830
1945
1943
1944
1990-96
circa 1947
circa 1945
1943-1945
1947
1945-1946
1943
1944
1947
1903 (original); 1982 (model)
4000-2001 BCE
1839 (original); circa 1988 (replica)
1830 (original); 1967 (model)
1801-1892 (prepared); 1946 (element replaced)
1947
circa 1946
1944
1945
1953-4
1945
1945
1944
1944
1943-1945
1970-1900
1943
1943
1943
1944
1946
1944
1943
1970-1875