Category:Douhéret Hélicoplane
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Douhéret Hélicoplane seen in Those Magnificent Men in Their Flying Machines or How I Flew from London to Paris in 25 hours 11 minutes.
The Douheret Hélicoplane was the first trial of helicopter with the engine placed between its two coaxial rotors.
This page lists all films that feature the Douhéret Hélicoplane .
Pages in category "Douhéret Hélicoplane"
The following 3 pages are in this category, out of 3 total.