
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
1952-3
1830 (original); 1967 (model)
1911
1668; 1924
1610; 1923
1910
1910
circa 1910
1910
1910
1910
1955; 1830
2000-100 BCE
1934
1903 (original); 1982 (model)
1772 (original); 1919 (model)
1930 (replica); 1834 (original)
1910
1839 (original); circa 1988 (replica)
1801-1892 (prepared); 1946 (element replaced)
1911
1910
1990-96
1705-1737
4000-2001 BCE
1934
1990-95
1902; 1913-1920
1730-1760 (original); 1931-1939 (replica)
circa 1910
1834-1836
1925; 1862
2800 BCE
1911
circa 3000 BCE
1910
1798 (original); 1977 (model)
1910
2050-1750 BCE
1936
1910
1960-1979
circa 1910
1879 (1956)
700 BCE; 1931
1911
2000-1001 BCE
1910
1940-03
1933-05