
Section of a Boeing 747, 1973.
1973
1973
1974
1974
circa 1972
1974
1973
1974
1974
1974
1974
1974
1974
1972
1972
1974
1972
1973
1974
1974
1974
1972
1974
1974
1974
1974
1973
1974
1974
1974
1974
1974
1972
1972
1972
1974
1974
(1962); 1982
2000-100 BCE
1974
1903 (original); 1982 (model)
1990-96
1974
1973
4000-2001 BCE
1839 (original); circa 1988 (replica)
1974
1972
1974
1972
1974