HANDBOOK ON H.M. AIRSHIP RIGID NO. 9

The original of this handbook is amongst the rarest of all official Great War publications with its initial print runs being just 250 copies.Detailing the hull framework gas bags engines instrumentation controls ballast mooring and handling armament trial flights modifications stations and duties of crew and specifications etc etc with plates showing framework walking ways gondola parachute engine etc etc etc.These three titles show in great details these lighter-than-air machines in the latter stages of the Great War.