Stock Photo: Engineer working on the Pescarra Helicopter. Developed by Argentine engineer Raúl Pescara in the early 1920s, it had two contra-rotating 'screws', each having four blades. Ca. 1920s.

4048-10130 Rights Managed
Category: Historical
  • Model Release: No
  • Property Release: No

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  • 11.28" x 8.61"
  • 300 dpi
  • 25MB
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