
Early inhaler for ether anaesthesia
1847-1848
1847-1848
1838
1865-1877
1871
1850-1870
1771-1800
1860-1910
1771-1900
after 1903
1895
1862
1850-1900
1899-1919
1850-1870
1870-1890
1776
1915-1918
1815-1825
1825-1835
1889
circa 1897
1920-1925
1875
1840-1851
1890
1860-1896
1801-1838
1879-1923
1860-1910
1914-1918
1901-1930
1880-1920
1921-1930
1911
1897
circa 1900
circa 1885
1901-1930
1853-1857
1801-1900
1830
1862
before 1857
1868
1801-1900
1851-1900
circa 1800
1913
1889
1775-1799 (original); 1900-1907 (model)