Steam helicopter of Ponton d'Amecourt (1863)

200 ៛ 1993

Cambodia

0.39 - 0.47$

price on 21.03.2023

Vertical flight

First helicopter model of Launoy and Bienvenue (1784) 0.07$	Steam helicopter of Ponton d'Amecourt (1863) 0.39$	Autogyro Cierva C8 (1927) 0.08$	Helicopter Vought-Sikorsky VS300 (1943) 0.1$
French Vertical Take-off Jet 0.13$	Juan de la Cierva and C-4 Autogyro, 1923