Juan de la Cierva and C-4 Autogyro, 1923

1,000 ៛ 1993

Камбоджа

Stamp from souvenir sheet.
Not listed separately by Sg or Sn

Vertical flight

First helicopter model of Launoy and Bienvenue (1784) 3 грн	Steam helicopter of Ponton d'Amecourt (1863) 17 грн	Autogyro Cierva C8 (1927) 4 грн	Helicopter Vought-Sikorsky VS300 (1943) 4 грн
French Vertical Take-off Jet 6 грн	Juan de la Cierva and C-4 Autogyro, 1923