1 Séasúr
1 Eachtra
The Secret of Flight
- Bliain: 1959
- Tír: United States of America
- Seánra: Documentary
- Stiúideo: PBS
- Eochairfhocal: educational, historical documentary
- Stiúrthóir: Sam Becker
- Caitheadh: Alexander Lippisch
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