National Committee for Physics At back of volume, list of papers Meetings held: 1. November 1949 2. 17 April 1971 3. 2 May 1952 4. 14 January 1953 5. 24 February 1953 6. 3 December 1953 7. February 1954 8. 2 June 1954 9. 6 December 1954 10. June 1956 11. 30 April 1957 12. 11 January 1960 13. 26 January 1961 14. 16 February 1962 15. 11 March 1963 16. 7 April 1964 17. 23 March 1965 18. 2 March 1966 19. 22 March 1967 20. 6 October 1967 21. 10 January 1969 22. 11 February 1969 23. 23 May 1969 24. 17 December 1969 25. 5 March 1971 26. 7 December 1971 27. 25 April 1972 28. 12 December 1972 November 1949 to 12 December 1972