sponsored by the Council of Engineering Institutions ; organized by the Institution of Mechanical Engineers. sponsored by the Power Industries Division of the Institution of Mechanical Engineers. sponsored by the Automobile Division of the Institution of Mechanical Engineers. sponsored by the Tribology Group and The Automobile Division of the Institution of Mechanical Engineers. sponsored by the Tribology Group of the Institution of Mechanical Engineers. sponsored and organized by the Instittion of Mechanical Engineers. sponsored by the Engineering Manufacturing Industries Division of the Institution of Mechanical Engineers ... [et al.] sponsored by The Tribology Group of The Institution of Mechanical Engineers. sponsored by the North-Eastern Centre of the Institution of Electrical Engineers. sponsored by the Engineering Manufacturing Industries Division of the Institution of Mechanical Engineers ... [et al.].