Ampoule of penicillin
1945
1945
1946
1946
1946
1943
1947
1940
1940
1945
1942
1946
1940-1945
1947
1940
1943
1940
1955; 1830
1945
1940-1944
1942
2000-100 BCE
1944-1945
1946
1938 and 1951
1942
1944
1990-96
1801-1892 (prepared); 1946 (element replaced)
1940-1945
1940
1940
1947
circa 1940
circa 1947
1940
circa 1945
1947
1947
1943
1903 (original); 1982 (model)
1942-1945
1830 (original); 1967 (model)
1940
1945-1946
1942-1945
1944
1943-1945
4000-2001 BCE
1839 (original); circa 1988 (replica)
1944