Minutes of the meeting of the Optical Subcommitte of the British National Committee for Physics In the oyal Socieety Present: Mr T Smith [Chairman]; Matters discussed; 1. Minutes 2. Matters arising from the minujtes 2a. Publication of C.I.O. Papers 2b. Material stocks of oprical plastics 2c. Membership of the Optical Sub-committee 3. Correspondence 4. London meeting of the International Optical Commission 1950 5. Projecrts of the International Optical Commission 15 June 1949