Dissecting microscope used by Sir Ronald Ross
1890-1910
1890-1910
1930
1926-1936
1970-1985
1930
1925-1935
1920-1930
1930-1940
1871-1900
circa 1927
1917
1900-1920
1934
1958
1951
1920-1950
1881-1900
1932-1938
1928-1938
1890-1908
1933-1943
circa 1900
1950-1960
1930-1940
circa 1900
1905
1930-1940
1949-1953
1895-1905
1930-1940
1955-1965
1883
1925
1968-1972
1958-1965
1880-1920
1932
circa 1925
1975-1985
1900-1950
1975-1985
1925
1870-1900