
Early inhaler for ether anaesthesia
1847-1848
1847-1848
circa 1832
1858
1820
1845-1855
1853-1857
1845-1855
1823
1838
1801-1840 (original); 1901 (model)
circa 1846
1821
1829
1860
1825-1835
2000-100 BCE
1851
1850-1859
1849
1855
1846-1859
1854
1840
1842
1850
1837
1837
1821-1850
1833
1822-1840
circa 1854
1850
1825
circa 1854
circa 1840
1850-1860
1855
1860
1849
1841
1842
1840-1850
1827-1850
1842
1850-1856
1850-1859
1848
1858
1830-1850
1837