
Early inhaler for ether anaesthesia
1847-1848
1847-1848
circa 1846
1851
1848
1852
1853-1857
1858
1839 (original); circa 1988 (replica)
1849
circa 1848
1853-1857
1845-1855
1801-1840 (original); 1901 (model)
1846
1850-1856
1850-1859
1845
1851
1850-1859
1849
1855
1846-1859
1853
1850
circa 1854
1850
circa 1854
1855
1849
1857
1846
1850
1847
1845-1855
1845
1845
1859
1856
1858
1858
1851
1846
1934
1857-1858
1845-1851
1857-1858
1857-1858
1858-03-02
1849
1858