Autogiro La Cierva C-30 from 1933

The Cierva C.30 was a Spanish autogyro designed by Juan de la Cierva and built under licence from the Cierva Autogiro Company by A V Roe & Co Ltd (Avro), Lioré-et-Olivier and Focke-Wulf.

Read more: Helicopters with Martin Anderson ...