1. Electric versus hydraulic drives; sponsored by the Engineering Manufacturing Industries Division, the Automobile Division and the Railway Division of the Institution of Mechanical engineers, co-sponsored by the Institution of Electrical Engineers, the Machine Tool Industry Research Association, ERA Technology, BHRA Fluid Engineering, the Association of Hydeaulic Equipment Manufacturers, and the Mechanical Handling Engineers'Association, 27 October 1983, 1 Birdcage Walk, Westminster, London

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