
Early inhaler for ether anaesthesia
1847-1848
1847-1848
1830 (original); 1967 (model)
1801-1840 (original); 1901 (model)
1851
1851
circa 1848
1849
1775-1799 (original); 1900-1907 (model)
1849
1668; 1924
1610; 1923
1853
1854
1850
circa 1854
1850
circa 1854
1849
1848
1850
1851
1893-4
1851
1853
1852
1955; 1830
1849
1642-1649 (original); 1883 (model)
1849
1848-1852
1854
1863-7
1850
1851
1852
1849
2000-100 BCE
1847
1934
1772 (original); 1919 (model)
1850
1930 (replica); 1834 (original)
circa 1850
circa 1850s
1839 (original); circa 1988 (replica)
1854
1850
1851
1852
circa 1854