
Penicillin fermentation vessel, England, 1940-1945
1940-1945
1940-1945
1915-1925
1915
1910-1940
1948
1946
1900
1949
1918
1878
1901-1930
1940
1914-1920
circa 1900
circa 1900
1914-1918
1915-1917
1950-1953
1951
1943
1920-1940
circa 1953
1890-1915
1948
1889
1950-1952
circa 1885
1935-1945
1920-1929
1916-1917
1914
1940-1950
1916
circa 1890
circa 1890
circa 1890
circa 1890
1897
1901
1889
circa 1900
1895
1900-1909
1914
1906-1916
1902-1923
1901
1890-1910
1880-1889
1878-1890