
Early inhaler for ether anaesthesia
1847-1848
1847-1848
1851
1860
1848
1852
1853-1857
1850-1860
1858
1839 (original); circa 1988 (replica)
1849
circa 1848
1853-1857
1801-1840 (original); 1901 (model)
1850-1856
1850-1859
1851
1850-1859
1849
1855
1853
1850
circa 1854
1850
circa 1854
1850-1860
1855
1860
1849
1857
1850
circa 1860
1847
1859
1856
1858
1858
1851
1934
1857-1858
1857-1858
1857-1858
1860
1858-03-02
1849
1858
1851
1849
1855
1856
1848-1852