Part of Oral Answers to Questions — Ministry of Supply – in the House of Commons at 12:00 am on 1 February 1954.
Almost all our expenditure on aero-engine development has been primarily for military purposes. Information cannot, therefore, be published. Until 1950, the amounts recovered from manufacturers in respect of the sales of engines were not kept separately. These repayments are at present running at the rate of about £1 million a year.