Dissecting microscope used by Sir Ronald Ross
1890-1910
1890-1910
after 1903
1895
circa 1900
1878
1912
circa 1900
1903
1902
circa 1880
1900
1875
1884
1901
circa 1885
1895
1896
1906
1902
1910
1898
1901
circa 1905
1886
1906
1890-1910
1904
1875
1901
1900-1910
1885
1898
1890-1910
circa 1890
circa 1890
circa 1890
circa 1890
1911
1889
1898
1899
1901
1904
1879
1897
1910
1910
circa 1897
1880-1900
About 1890