Section of a Boeing 747, 1973.
1973
1973
1972
1839 (original); circa 1988 (replica)
circa 1972
1990-96
1974
2000-100 BCE
1971
4000-2001 BCE
1971
1974
1971
1974
1972
1971
1974
1972
1971
1974
1971
1974
1972
1974
1974
1974
1972
1974
1974
1974
1974
1974
1972
1972
1974
1974
1974
1974
1971
1971
1973
1972
1971
1974
1974
1974
1973
1974
1973
1974
1974