Minutes, Optical Glass Committee Committee appointed to meet the resident members of the Board of Longitude upon the subject of improvements in glass for optical purposes. Committee appointed at Council meeting of 6 May 1824 Meetings held; 1. 20 May 1824 p. 96 2. 17 March 1825 p. 98 3. 24 March 1825 p. 99 4. 5 May 1825 p. 101 5. 31 May 1825 p. 103 6. 19 November 1825 p. 117 7. 24 November 1825 p. 118 8. 26 January 1826 p. 118 9. 9 February 1826 p. 120 10. 28 February 1826 p. 123 11. 11 April 1826 p. 125 12. 27 April 1826 p. 125 13. 25 May 1826 p. 129 14. 17 June 1826 p. 131 15. 12 February 1827 p. 134 16. 26 April 1827 p. 136 17. 8 May 1827 p. 153 18. 21 May 1827 p. 157 19. 24 May 1827 p. 158 20. 31 May 1827 p. 160 21. 14 June 1827 p. 174 22. 6 September 1827 p. 175 - First Report of a sub-committee 23. 6 June 1828 page 188 - Second Report of sub-committee appointed to conduct the experiments on glass for optical uses at the Royal Institution 24. 13 November 1828 25. 13 November 1828 page 210 26. 18 Deccember 1828 page 211 May 1824 to December 1828