Comprising: "Ventilation and Heating Problems in Atomic Energy Establishments", given at a Summer General Meeting in Torquay, 17 June 1952; "The Design and Construction of a Handling and Treatment System for Liquid Radioactive Wastes", given at a Public Health Engineering Division Meeting, 12 October 1954; "The Control, Conveyance, Treatment and Disposal of Radioactive Effluents from the Atomic Weapons Research Establishment, Aldermaston", given at a Public Health Division Meeting, 12 April 1956; "Integrated Heat and Power Services for a New City in Great Britain", given at the World Power Conference in Moscow, 20-24 August 1968; and "The Provision of Energy for Non-Industrial Purposes in the United Kingdom", given at an International District Heating Association Meeting in Hershey, Pennsylvania, June 1969.