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Images from: Rotary Flight

 
Early Helicopter Technology

Vversion of the Chinese top.

Vversion of the Chinese top.

Credit - Gary Bradshaw; "To Fly Is Everything"

1845 design for a helicopter by Cossus

1845 design for a helicopter by Cossus

Credit - Gary Bradshaw; "To Fly Is Everything"

Mr. Bright designed and patented this apparatus.

Mr. Bright designed and patented this apparatus.

Credit - Gary Bradshaw; "To Fly Is Everything"

Advancing the idea suggested by Launoy.

Advancing the idea suggested by Launoy.

Credit - Hiller Aviation Museum

Aerial screw machine worked by steam

Aerial screw machine worked by steam

Credit - Gary Bradshaw; "To Fly Is Everything"

Penaud's flying screw

Penaud's flying screw

Credit - Wright State University

Apparatus powered by a gunpowder motor

Apparatus powered by a gunpowder motor

Credit - Gary Bradshaw; "To Fly Is Everything"

The invention of Dieuaide

The invention of Dieuaide

Credit - Gary Bradshaw; "To Fly Is Everything"

This design by Melikoff in 1877.

This design by Melikoff in 1877.

Credit - Gary Bradshaw; "To Fly Is Everything"

This design of Castel in 1878.

This design of Castel in 1878.

Credit - Gary Bradshaw; "To Fly Is Everything"

Forlanini's steam-powered apparatus.

Forlanini's steam-powered apparatus.

Credit - Gary Bradshaw; "To Fly Is Everything"

Trouve's  arial screw and electric motor.

Trouve's arial screw and electric motor.

Credit - Gary Bradshaw; "To Fly Is Everything"

Leonardo sketch

Leonardo sketch

Credit - Hiller Aviation Museum

Cayley drew up plans for aerial carriage

Cayley drew up plans for aerial carriage

Credit - Hiller Aviation Museum

Cayley's design in

Cayley's design in "On Aerial Navigation."

Credit - Gary Bradshaw; "To Fly Is Everything"

   
 



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