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Flight from 70 Million Years B.C.
1975 Yorkshire Television documentary. Drs. Cherrie Bramwell (a paleontologist & zoologist), & George Whitfield (an engineer) investigate the aerodynamics of Pteranodon a type of pterosaur, or 'pterodactyl' using a mechanical model Pteranodon at Rhossili, Wales, UK (C) Trident Television Ltd 1975.
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