
Compound monocular microscope
1870-1880
1870-1880
1893-1959
1949
1875-1877
circa 1904-1907
1871
1851-1855
1851-1855
1890-1910
1870
1870
07-04-1863
1850-1859
1853-1858
1940
1850-1880
1980
1851-1900
1880-1920
1903
1910-1920
1910
1833
1900-1925
1871-1900
1900-1914
1871-1900
1879
1860-1910
1830-1837
1937
1800-1818
1910-1920
1890-1900
1950s
2012-2016
1902-1929
1925-1940
1930-1955
1900-1935
1879-1912