Copy letter from Herbert Rix, to Messrs Harrison & Sons 'Dear Sirs, We shall close our a/cs [accounts] for the Annual Audit by the end of the month (rather earlier than formerly). Will you let us have your a/c [account] sales by Oct [October] 27th, made up to ^Saturday^ Oct 20th or any day you please in the week following. Yours faithfully, Herbert Rix Asst. Sec. RS. [Assistant Secretary, Royal Society]'. 17 October 1888