![](https://coimages.sciencemuseumgroup.org.uk/16/976/large_thumbnail_1981_1705_0001__0002_.jpg)
Research microscope
1971-1979
1971-1979
1950-1960
1960-1970
1851-1900
1930-1940
1875-1900
1970-1980
1875-1890
1850-1870
1869
1960-1970
1950-1960
1962
1920-1930
1851-1875
1850-1875
1901-1930
1851-1870
1851-1900
1871-1900
1850-1875
1850-1875
1870-1890
1975-1980
1862-1866
1875-1880
1840-1859
1860-1875
1850-1870
1860-1870
1950-1960
1855-1860
1948
1854-1856
1870-1876
1850-1860
1882-1900