
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
1952-3
1830 (original); 1967 (model)
1955; 1830
2000-100 BCE
1839 (original); circa 1988 (replica)
4000-2001 BCE
1903 (original); 1982 (model)
1990-95
1962-05
1960-1979
1970-1900
30 CE
30 CE
2686-2613 BCE
1859; 1986
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350
30-200
2000-1350
20-500
2000-1350
2000-1350
2000-1350
20-500
2000-1350
2000-1000
3500-1000
2000-1350
1950-1900
1972-3
2000-1000
1950-1920
1962-07
1968-04
1951-06
1962-10
1956-09
1964-10
1951--07-10
1953-01
1956-09
1949-09
1963-01
1955-10
1960-01
1966-07