
Early inhaler for ether anaesthesia
1847-1848
1847-1848
circa 1846
1848
1801-1840 (original); 1901 (model)
1839 (original); circa 1988 (replica)
1846
1849
circa 1848
1844
1845
1849
1849
1955; 1830
1849
1846
1893-4
1863-7
2000-100 BCE
1847
1845
1845
1846
1844
1934
1844
1849
1846
1772 (original); 1919 (model)
1849
1849
1990-96
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
4000-2001 BCE
1930 (replica); 1834 (original)
1705-1737
1846
1934
1870-1877
1844
1845
1642-1649 (original); 1883 (model)
1845
1990-95
1668; 1924
1976; 1776
1834-1836
1610; 1923
1701-1800
1929 (copy); 1702-1714 (original)