
Compound monocular microscope
1870-1880
1870-1880
1864
1870s
1867-1868
1955; 1830
1870-1880
1872
1865
1880
1880
1870-1875
circa 1880
1870-1875
1868
1873
1870
circa 1880
1990-96
1867
1830 (original); 1967 (model)
1877
1775-1799 (original); 1900-1907 (model)
1871
1878
1865-1877
1865
1879
1874
1880
1869
1930 (replica); 1834 (original)
1873
1864
1872
circa 1880
1925; 1862
1875
1705-1737
1879
1879
1878
1888
1875-1877
1865-1875
1934
1865-1866
1870-1877
1870
1870-1880
1866-1870