Correspondence regarding the Isaac Newton Telescope opening ceremony and publicity with, among others, 'Physics Today'; Sir Howard Grubb, Parsons and Co. Ltd, Newcastle-upon-Tyne; the Directorate General of Works, Ministry of Public Building and Works; the Science Research Council; Central Press Photos Ltd; Bodo-José F. Weber of Du Pont de Nemours International S.A., Geneva, regarding Du Pont neoprene seals used in the Isaac Newton Telescope dome; the Central Office of Information; the B.B.C.; the McGregor Fund, Detroit, Michigan; Orren C. Mohler of the Department of Astronomy, University of Michigan; Turners (Photography) Ltd, Newcastle-upon-Tyne; 'Air et Cosmos', Paris; Department of Astronomy, University of Glasgow; the 'Grimsby Evening Telegraph'; the Ministry of Technology; R.S.S. Meredith of New Zealand, concerning the possibility of moving the Isaac Newton Telescope to the Mount John Observatory, New Zealand; and the General Electric Company, Chelmsford. There is also correspondence between A.H. Samaha of the Helwan Observatory, Cairo, and Sir Harry Melville, President of the Science Research Council.