Ampoule of penicillin
1945
1945
1943
1940
1940
1945
1942
1940
1940-1944
2000-100 BCE
1944-1945
1938 and 1951
1940
1955; 1830
1945
1940-1945
1942
1943
1942
1944
1990-96
1940
1940
circa 1940
1940
1942-1945
circa 1945
1943-1945
1942-1945
1943
1944
1903 (original); 1982 (model)
4000-2001 BCE
1940-1945
1839 (original); circa 1988 (replica)
1830 (original); 1967 (model)
1940
1801-1892 (prepared); 1946 (element replaced)
1944
1945
1940
circa 1940
1940
1953-4
1940-1945
1945
circa 1940
circa 1940
1945
circa 1940
circa 1940