
Early inhaler for ether anaesthesia
1847-1848
1847-1848
circa 1832
1820
1801-1840 (original); 1901 (model)
1845-1855
1823
1838
1821
circa 1846
1845-1855
1829
2000-100 BCE
1851
1849
1855
1854
1840
1842
1850
1837
1821-1850
1833
circa 1854
1849
1841
1842
1835
1834
1829
1834
1834
1845
1845
1830-1850
1850
1838
1840-1851
1826
1845
1837
1826
1842
1836
1820-1855
1853
1853
1852
1834-1844
1837
1820