Schwann's microscope (no case)
1835
1835
1934
1955; 1830
1837
1831
1845
1808
1809
1825
circa 1840
1837
1840
1842
1842
1827
1837
1834
1834
1834
1821-1831
1825
1842
1829
1845
1845
1837
1832
1836
1825-1835
1815
1807
2000-100 BCE
1815
1835-1845
1893-4
1846
1841
1810-1817
1837
1863-7
1837
1810-1840
1833
1810-1840
1834-1844
1837
1838
1820
1822-1840
1831