Schwann's microscope (no case)
1835
1835
1861-1866
circa 1861
1934
circa 1860
1862
1850-1859
1845
1849
1855
1865
1825
circa 1840
circa 1868
1837
1827-1850
1860
1846-1859
1840
1842
1850
1842
1851
1827
1837
1834
1834
1834
1845-1855
1840-1850
1847
1825
1853
1857
1842
1829
1845
1845
1837
1832
1860
1825-1835
1850-1856
1855-1860
2000-100 BCE
1858
1856
1851
1858-03-02
1865-1866