Compound monocular microscope
1870-1880
1870-1880
1893-1959
1875-1877
1903
1980
1851-1900
circa 1904-1907
1890-1910
1850-1880
1851-1855
1870
1940
1910-1920
07-04-1863
1910
1871-1900
1850-1859
1949
1830-1837
1833
1871
1879
1871-1900
1900-1925
1900-1914
1860-1910
1853-1858
1800-1818
1870
1851-1855
1910-1920
1915
1900-1935
1925-1940
1930-1955
1890
1890-1900
1937
02 February 1967
1890-1900
1918