
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
1952-3
1926
1926
1925
1934
2000-100 BCE
1924
1955; 1830
1924
1926
1925
1926
circa 1925
1925
1924
1925
1990-96
1924
1926
1839 (original); circa 1988 (replica)
1801-1892 (prepared); 1946 (element replaced)
1934
4000-2001 BCE
1930 (replica); 1834 (original)
1925
1925
1924
1924
1925-1926
1926
1925
1903 (original); 1982 (model)
1830 (original); 1967 (model)
1926
1990-95
1977; 1204-1206
1924
1730-1760 (original); 1931-1939 (replica)
1936
2050-1750 BCE
1925-1926
1962-05
1879 (1956)
1668; 1924
1925
1925
1925; 1862
1925
circa 1925
1925