
Compound monocular microscope
1870-1880
1870-1880
1893-1959
1875-1877
1949
1851-1900
1940
1870
1850-1880
1910-1920
1890-1910
07-04-1863
1851-1855
circa 1904-1907
1980
1880-1920
1903
1879
1860-1910
1850-1859
1830-1837
1833
1853-1858
1871
1900-1925
1871-1900
1900-1914
1871-1900
1910
1870
1800-1818
1937
1910-1920
1925-1940
1930-1955
1900-1935
02 February 1967
1870-1880
1800-1818
1970-1985
1915
1890-1900
1902-1929