Happy Birthday Helicopter! Its 100 Years Now
November 16th, 2007 | by Anil |100 years ago , Paul Cornu, a french bicycle maker is credited as the first person to rise vertically in powered free flight.
at a gigantic height of 1 foot high, for a total of around 20 seconds
Happy Birthday Helicopter!
Check out this CNET’s gallery, A Century of Helicopters
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