Heiner Emde The Conquerors of the Air The Evolution of Aviation 1903-1945 Drawings by Carlo Demand (1968) 201 pages Editions Princesse Condition: Used Item having been used. Consult the seller's description for more details on any imperfections. Show all state definitionspage opens in a new window or tab Author:Heiner Emde Type:Book Title:The Conquerors of the Air Country of Manufacture:France Year:1968