Copy letter from Herbert Rix, to Arthur Keen 'Dear Mr Keen, I have learned from Lindfield that the expense to which we shall be put for work already done on the screen is about £5. The Officers have decided to postpone the whole matter until the return of our Treasurer towards the end of the present month. Yours faithfully, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 5 March 1894