Schwann's microscope (no case)
1835
1835
circa 1840
1842
1842
1827
1837
1834
1834
1834
1842
1837
1832
1833
1837
1934
1836
2000-100 BCE
1893-4
1841
1863-7
1840
1829
1837
1831
1839
1841
1837
1839
1955; 1830
1826
1840
circa 1832
1837
1831
1835
1838
1838
1837
1826
1838
1839
1990-96
1830
1842
1839
1826
1930 (replica); 1834 (original)
1826
1832
1830-1835