
Schwann's microscope (no case)
1835
1835
1838
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1840
1837
1837
circa 1840
1842
1842
1934
1840
1837
1840
1834
1834
1835
1834
1842
1837
1841
1893-4
1838
1863-7
2000-100 BCE
1837
1839
1843
1955; 1830
1836
1838
1837
1833
1842
1837
1839
1841
1838
1839
1990-96
1842
1841
1837-1840
1839
1839
1839
circa 1840
1833
1840
1801-1840 (original); 1901 (model)