sponsored by the Power Industries Division of the Institution of Mechanical Engineers and the Institution of Civil Engineers ; 24 February 1983, Institution Headquarters, Westminster, London. sponsored by the Process Industries Division of the Institution of Mechanical Engineers, 12-14 October 1982, Institution Headquarters, Westminster, London. sponsored by the Railway Division of the Institution of Mechanical Engineers, the Institution of Civil Engineers, and the Institution of Electrical Engineers. sponsored by the Power Industries Division of the Institution of Mechanical Engineers, 16 November 1982, the Institution of Mechanical Engineers, London. Developments in variable speed drives for fluid machinery :: conference sponsored by the Power Industries Division of the Institution of Mechanical Engineers and the Institution of Electrical Engineers, 9 June 1981, Institution Headquarters, 1 Birdcage Walk, Westminster, London. sponsored by the Power Industries Division of the Institution of Mechanical Engineers with the cooperation of the Fluids Engineering Division of the American Society of Mechanical Engineers. sponsored by the Power Industries Division of the Institution of Mechanical Engineers and the Japanese Society of Mechanical Engineers. sponsored by the Process Industries Division of the Institution of Mechanical Engineers, 31 March 1982, Westminster, London. Systems engineering in land transport :: conference sponsored by the Control Systems and Computing Techniques Group of the Institution of Mechanical Engineers and co-sponsored by the Institution of Electrical Engineers, 24 September 1980, Institution Hedquarters, Westminster, London. sponsored by The Power Industries Division of The Institution of Mechanical Engineers and The Royal Corps of Naval Constructors.