Copy letter from Herbert Rix, to Mr H Lindfield, Portland Works, Portland Road, Notting Hill, W 'Dear Mr Lindfield, The Treasurer thinks it would not do to pay the £20 over & above the amount of contract which the Council originally sanctioned, without first getting the consent of Council, but he is quite willing to pay £40 at once, if you will kindly wait till after the 10th inst. [instant] for the balance. I enclose herewith cheque for forty pounds accordingly, & shall be obliged by a memo. [memorandum] of its safe receipt. Yours truly Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 3 December 1891