
Early inhaler for ether anaesthesia
1847-1848
1847-1848
1858
1845-1855
1853-1857
1845-1855
1801-1840 (original); 1901 (model)
circa 1846
2000-100 BCE
1851
1850-1859
1849
1855
1846-1859
1854
1840
1842
1850
circa 1854
1850
circa 1854
circa 1840
1855
1849
1841
1842
1840-1850
1842
1850-1856
1850-1859
1848
1858
1850
1850-1857
1845
1845
1842
1856
1858
1855
1856
1848-1852
1854
1858
1841
1851
1846
1844
1934
1857-1858
1845-1851