Minutes of a meeting of a Subcommittee of the Royal Society for production of glass for optical purposes Present at the meeting: The President; Mr Herschel; Mr Bande; Captain Kater; Mr Faraday; Mr Dollond Concerning the pots which had been fired - full report At end - Table of the refractive powers of diffferent specimens of Glass by Mr Herschel, and analysis of specimens of glass taken from the top and bottom of the pots Nos 1 and 3 by Mr Faraday 18 June 1825