
Early inhaler for ether anaesthesia
1847-1848
1847-1848
circa 1846
1851
1860
1852
1848
1862
1853-1857
1850-1860
1858
1801-1840 (original); 1901 (model)
1839 (original); circa 1988 (replica)
1846
1849
circa 1848
1844
1853-1857
1845-1855
1862
1850-1856
1850-1859
1845
1851
1850-1859
1853
1849
1855
1846-1859
1854
1853
1850
circa 1854
1850
circa 1854
1850-1860
1855
1860
1849
1955; 1830
1857
1849
1846
circa 1861
1851
1862
1858
1850
circa 1861
1847
1845-1855