The Libélula Viblandi, or Libélula Española (Spanish dragonfly) was an early helicopter developed from 1924 by Federico Cantero Villamil, a Spanish civil engineer also known for the dams he constructed and planned along the river Duero.
It was developed in the twenties by Federico Cantero Villamil, a Spanish civil engineer also known for the dams he constructed and planned along the river Duero. The Libélula Viblandi, or Libélula española (Spanish dragonfly) was one of the first helicopters invented 1924.
The Libélula Viblandi, or Libélula española (Spanish dragonfly) was one of the first helicopters invented 1924. It was developed in the twenties by Federico Cantero Villamil, a Spanish civil engineer also known for the dams he constructed and planned along the river Duero.
The Libélula Viblandi, or Libélula española (Spanish dragonfly) was one of the first helicopters invented 1924. It was developed in the twenties by Federico Cantero Villamil, a Spanish civil engineer also known for the dams he constructed and planned along the river Duero.