
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
1952-3
1830 (original); 1967 (model)
1839 (original); circa 1988 (replica)
1990-96
before 1930
2000-100 BCE
1931
1931
1990-95
1932
1932
1934
1930-1931
circa 1932
circa 1930
1934
1932
1930
1930s (1888)
1580-1588; 1930
1931
circa 1930
1903 (original); 1982 (model)
4000-2001 BCE
1932
1960-1979
2050-1750 BCE
1930s
1932
1955; 1830
1930-1932
1936
1930s
1931
1834-1836
circa 1932
circa 1930
circa 1931
1798 (original); 1977 (model)
1879 (1956)
1932
circa 1932
2000-1001 BCE
1930
1801-1892 (prepared); 1946 (element replaced)
1930
1930s
1930-1932
1930
1730-1760 (original); 1931-1939 (replica)