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Cloth. Condizione: Fine. Condizione sovraccoperta: Near Fine. 4th Impression. Hardback. The Helicopter History Piloting and How it Flies. Technical developments have been important and very numerous since it was first published, and this third edition (with an expanded title) has been revised throughout, and a new, long chapter and 54 new diagrams (there are now 165) have been added. The book is thus completely up-to-date. The book covers the subject in three main sections: the various tyoes of rotor-craft are defined, and the behaviour of the helicopter and its rotors under different conditions are explained; then the techniques of piloting and the problems that face the trainee; finally, the last section traces the aircraft's history from the ancient Chinese to the present day, and includes such items as bifilar absorbers, elastomeric bearings, the A.B.C. rotor and fluidics. Illustrated. 194 pp. (We carry a wide selection of titles in The Arts, Theology, History, Politics, Social and Physical Sciences. academic and scholarly books and Modern First Editions, Reference books ,and all types of Academic Literature.). Lucy Raymond, David Gibbings and Dulcie Legg (illustratore).…

Octavo, blue heavy boards, gilt lettering to spine, xiii + 194pp, illus/photos, VG+ (light bruising to extrems, light tanning & foxing to page edges & eps, sl occasional cracking to gutters) in d/w, VG (light to moderate creasing to edges, moderate fading to spine, light chafing & soiling, prev. bookseller's sm label to front flap). …