Handley Page H.P. 39 "Gugnunc" Aeroplane Handley Page H.P. 39 "Gugnunc" Aeroplane, 1929. Complete with Armstrong Siddeley "Mongoose" engine. Fitted with slotted wings and flaps. (Airframe No. K.1908). Materials: wood (unidentified) and doped fabric Object Number: 1934-313 Pt1 type: aeroplane