Copy letter from Herbert Rix, to Captain Damian 'Dear Sir, The Treasurer declines to pay the enclosed bill to Mr Dallmeyer until you and Capt. [Captain] Abney have signed it as correct so far as your several items are concerned. Please certify to the first item on the bill and return it to me without delay. I am yours faithfully, Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 14 December 1887