Schwann's microscope (no case)
1835
1835
circa 1840
1837
1840
1842
1842
1827
1837
1834
1834
1834
1842
1829
1837
1832
1837
1833
1841
1839
1835
1831
1836
1837
1837
1838
1831
1839
1843
1955; 1830
1840
circa 1832
1837
2000-100 BCE
1893-4
1934
1841
1863-7
1838
1838
1839
1839
1990-96
1830
1842
1839
1831
1930 (replica); 1834 (original)
circa 1842
1830
1829