
Compound monocular microscope
1870-1880
1870-1880
1875-1877
1893-1959
1910-1920
circa 1904-1907
1890-1910
1851-1900
07-04-1863
1940
1870
1850-1880
1980
1880-1920
1903
1851-1855
1871-1900
1900-1914
1871-1900
1879
1850-1859
1949
1830-1837
1833
1853-1858
1871
1900-1925
1860-1910
1910
1937
1800-1818
1870
1910-1920
1890-1900
1800-1818
1970-1985
1890-1900
1870-1880
02 February 1967
1915
1902-1929
1925-1940
1930-1955