
Early inhaler for ether anaesthesia
1847-1848
1847-1848
circa 1832
1865-1866
1862
1858
1801-1840 (original); 1901 (model)
1845-1855
1823
1838
1866
circa 1846
1845-1855
1853-1857
1829
1860
2000-100 BCE
1851
1850-1859
1849
1855
1846-1859
1854
1840
1842
1850
1837
1833
circa 1854
1864
1860
1849
circa 1868
1841
1842
1861-1866
circa 1861
1833-1866
1835
1834
1829
1865
1834
1834
1845
1845
1863-1865
1830-1850
1850
1850-1857
1838