
Early inhaler for ether anaesthesia
1847-1848
1847-1848
1858
1845-1855
1838
circa 1846
1845-1855
1853-1857
1801-1840 (original); 1901 (model)
1860
1851
1850-1859
1855
1846-1859
1854
1842
1850
circa 1854
1860
1849
1842
circa 1861
1845
1845
1850
1838
1840-1851
1842
1856
1861
1861
1853
1852
1850-1856
1850-1859
1850
circa 1854
circa 1840
1850-1860
1839
1843
1855
1857
1849
1840-1850
1846
1842
1848
1858
circa 1860
1847