A collection of aeroplane engine and propeller brochures; Pratt and Whitney Aeronautical Engines, typescript specifications for Wasps and Hornet engines dated 1933 (punched with holes for a ring binder) and another similar, dated 1934, Pratt and Whitney Aeronautical Engines with photographs and specifications covering wasps and Hornets (punched with holes for a ring binder), A New Wasp with photographs, text in English and French, Curtiss Speed Ring, a leaflet with typescript text and photographs promoting the Curtiss version of the Townend ring, Hamilton Standard Propellers, Service Bulletin No 110A; Bristol Sleeve-Valve Aero-Engines a reprint from Flight, 16 Feb 39 published by The Bristol Aeroplane Co Ltd, Moteur Hispano-Suiza, a leaflet dated 27 Mar 35, with French text (some slight old damage), Rolls-Royce Aero Engines a leaflet in English and French covering the Kestrel and Buzzard engines and an envelope containing specifications for the Continental A-40 engine (10)

细节

A collection of aeroplane engine and propeller brochures; Pratt and Whitney Aeronautical Engines, typescript specifications for Wasps and Hornet engines dated 1933 (punched with holes for a ring binder) and another similar, dated 1934, Pratt and Whitney Aeronautical Engines with photographs and specifications covering wasps and Hornets (punched with holes for a ring binder), A New Wasp with photographs, text in English and French, Curtiss Speed Ring, a leaflet with typescript text and photographs promoting the Curtiss version of the Townend ring, Hamilton Standard Propellers, Service Bulletin No 110A; Bristol Sleeve-Valve Aero-Engines a reprint from Flight, 16 Feb 39 published by The Bristol Aeroplane Co Ltd, Moteur Hispano-Suiza, a leaflet dated 27 Mar 35, with French text (some slight old damage), Rolls-Royce Aero Engines a leaflet in English and French covering the Kestrel and Buzzard engines and an envelope containing specifications for the Continental A-40 engine (10)