Autogiro, Rotary Wings Before the Helicopter

A comprehensive history of the autogiro, covering all the aircraft and their designers. Includes full details of the aerodynamic features of the autogiro in its many forms, and the design constraints and problems encountered in development. The role(s) of the autogiro, in theory and practice, are described and the potential for future development discussed. Complete listing of autogiro constructors and their products, world-wide. Profusely illustrated with photos, many rare and unpublished, and 3-view drawings of all significant autogiros, plus contemporary illustrations and adverts.