
Early inhaler for ether anaesthesia
1847-1848
1847-1848
circa 1832
1862
1858
1845-1855
1823
1838
circa 1846
1845-1855
1853-1857
1801-1840 (original); 1901 (model)
1829
1860
1851
1850-1859
1855
1846-1859
1854
1842
1850
1837
1833
circa 1854
1860
1849
1842
circa 1861
1835
1834
1829
1834
1834
1845
1845
1830-1850
1850
1838
1840-1851
1826
1842
1856
1861
1861
1836
1853
1852
1834-1844
1837
1829-1851
1862