
Vessel for growing Mould, used in Oxford, England, 1942
1940-1944
1940-1944
2000-100 BCE
1945
1944
1939-1945
1942
1943
1937-1938
1945
1945
1940
1938
1940
1938
1938
1938
1938
1940
1942
1946
1938-1940
1940
1936
1937-1937
1938
1938
1955; 1830
1937-1938
1940-1945
1946
1943
1937
1938
1946
1942
1936
1937
1946
circa 1942
1936
1939
1946
1936
1938 and 1951
1944-1945
circa 1938
1801-1892 (prepared); 1946 (element replaced)
1938-1939
1936
1830 (original); 1967 (model)