Helicopter tote bags are sure to make a statement about your love for the history of flight. While many people think of rotor aircraft as something modern, Leonardo da Vinci proposed an ancestor to the helicopter, a machine he called an "aerial screw," hundreds of years ago. This contraption of da Vinci's would have needed the pilot to pump pedals to keep it moving, much like a bicycle.
Helicopter tote bags are sure to make a statement about your love for the history of flight. While many people think of rotor aircraft as something modern, Leonardo da Vinci proposed an ancestor to the helicopter, a machine he called an "aerial screw," hundreds of years ago. This contraption of da Vinci's would have needed the pilot to pump pedals to keep it moving, much like a bicycle.
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