Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to J [ Sir John] Herbert Parsons Esq, FRS, MB, FRS; 54 Queen Anne Street, W Advises the Council of the Royal Society has continued the Glassworkers' Cataract Committee, and the next step would be to decide if a meeting should take place to decide its future. He thinks that the work of the Anti-Glare Committee does not cover the same ground. 16 December 1919