by the International Union of Pure and Applied Chemistry and the Institution of Mechanical Engineers. sponsored by The Pressure Vessels Section of The Applied Mechanics Group of The Institution of Mechanical Engineers. conference sponsored by the Materials Technology Section of the Applied Mechanics Group of the Institution of Mechanical Engineers. sponsored by the Power Industries Division of the Institution of Mechanical Engineers. organized by the Steam Plant Committee of the Power Industries Division of the Institution of Mechanical Engineers. The Control and Automation Division of the Institution of Electrical Engineers. organized by the Fluid Machinery Committee of the Power Industries Division of the Institution of Mechanical Engineers.