Copy letter from Herbert Rix, to Dr Arthur Schuster, [Fellow of the Royal Society] 'Dear Dr Schuster, The Secretaries wish me to ask whether you cannot let us have back the proof of your paper on "The Divinal Variation of Terrestrial Magnetism". We are anxious to get it out as soon as possible. Yours faithfully, H Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 9 October 1889