Minutes of a meeting of the British National Committee for Theoretical and Applied Mechanics Present: Sir Owen Saunders, chairman; Professor G K Batchelor; Dr D Kuchemann; Professor M J Lighthill Matters discussed 1. Minutes of the meeting held on 2 February 1965 were confirmed (NTAM/3 (65)) 2. IX General Assembly of IUTAM 3. Catalogue of Computer Programmes 4. Subscription to IUTAM 5. Paris Symposium on Recent Progress in the Mechanics of Linear Vibration 6. European Mechanics Colloquia 7. Bureau Meeting 8. IUTAM Symposia for 1967, 1968 and later 9. La Jolla Symposium on Rotating Fluid Systems 10. Experimental studies in Applied Mechanics at IUTAM Congresses 1 November 1965