Scope and Contents Document Type: Book (Historical Study).Purpose: Informational.Authority: Author Expertise.Scope (from the Preface): "This book is not an autobiography. It is primarily the history I of my association with the development of the turbo-jet engine in Great Britain. I have included a very brief account of my life prior to my practical work on the turbo-jet engine, in order that the reader may have some idea of the nature of the soil in which the seed of an...