sponsored by Power Industries Division of the Institution of Mechanical Engineers; co-sponsored by County Surveyors Society ... [et al.] sponsored by the Power Industries Division of the Institution of Mechanical Engineers ; co-sponsored by Royal Aeronautical Society ... [et al.]. sponsored by Aerospace Industries Division of the Institution of Mechanical Engineers ; co-sponsored by British Composites Society. sponsored by Manufacturing Engineering Division of the Institution of Mechanical Engineers ; co-sponsored by Institution of Electrical Engineers ... [et al.]. organized by Computing and Control Division of the Institution of Electrical Engineers, in association with the County Surveyors Society ... [et al.]. sponsored by the Power Industries Division of the Institution of Mechanical Engineers, London, 14 May 1981. sponsored by the Railway Division of the Institution of Mechanical Engineers ; co-sponsored by Association of American Railroads (AAR) ... [et al.] sponsored by The Power Industries Division of The Institution of Mechanical Engineers and The Royal Corps of Naval Constructors. sponsored by the Power Industries Division of the Institution of Mechanical Engineers and the Japanese Society of Mechanical Engineers. sponsored by Automobile Division of the Institution of Mechanical Engineers ; co-sponsored by Institution of Electrical Engineers.