Copy letter from Herbert Rix, to Messrs Cox & Company 'Dear Sirs, We were instructed by Sir William Jervois to apply to you for payment of his annual contribution to the Royal Society. Accordingly, I beg leave to enclose herewith the circular which would otherwise have been posted direct to him. I am yours faithfully Herbert Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 13 May 1889