Copy letter from Herbert Rix, to Professor George Gabriel Stokes, [President of the Royal Society] 'Dear Sir, Herewith enclosed I send you the slip proof of the Abstract of Charters. Dr Foster wishes me to ask if you approve it. Kindly return the proof to me with your instructions whether I may send it to press. Yours obediently Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 4 February 1889