Dissecting microscope used by Sir Ronald Ross
1890-1910
1890-1910
after 1903
1895
circa 1900
1912
circa 1900
1903
1902
1900
1901
circa 1885
1895
1896
1906
1902
1910
1898
1901
circa 1905
1886
1906
1890-1910
1904
1901
1900-1910
1885
1898
1890-1910
1901-1913
circa 1890
circa 1890
circa 1890
circa 1890
1911
1889
1898
1899
1901
1904
1897
1910
1910
1913
1904-1914
circa 1897
About 1890
1886
1892-1900
1902
1872 (original); 1909 (model)