Copy letter from Herbert Rix, to Sir William Thomson, President of the Royal Society 'Dear Sir, It will devolve upon you next Thursday to appoint vice-presidents. The President normally appoints about four. I have to acknowledge receipt of the cheque for Anniversary Dinner. I send enclosed a note which came this morning. Yours truly H Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 3 December 1891