Minutes of a meeting of the Committee for the Improvement of Glass for Optical Purposes Present at the meeting: Dr Wollaston in the chair; Captain Beaufort; Mr Pollatt; Mr Dollond; Mr Herschel; Mr Gilbert, by invitation; Captain Kater; Dr Young Minutes of the last meeting read ' Mr Dollond reported the furnace to be repaired and in a fit state for work. Mr Pellatt reportedf on the state f teh lined crucible, when it appeared they had suffered so great a deterioration as to render them unsafe for experiment; in consequence of which no experimenet on a large scale could be determined on. Mr Dollond presented 5 discs flateneed from large lumps from 3 to 8 inches in diameter. All proved striated, and offered other irregularities. They were marked A, B, C, D, E and ordered to be preserved among the specimens. The attention of the Members during the recess was pareticularlyl dircted to the improvement of the Pots. ' 17 June 1826