sponsored by the North-Eastern Centre of the Institution of Electrical Engineers. North-Eastern Centre of the Institution of Electrical Engineers. sponsored by the Tribology Group of the Institution of Mechanical Engineers. sponsored by the Automobile Division of the Institution of Mechanical Engineers. sponsored by the Power Industries Division of the Institution of Mechanical Engineers. sponsored by Electronics Division, The Institution of Electrical Engineers. sponsored by The Tribology Group of The Institution of Mechanical Engineers. sponsored by the American Institute of Electrical Engineers. The proceedings of the institution of electrical engineers. sponsored and organized by the Instittion of Mechanical Engineers.