Copy letter from Herbert Rix, to Professor Henry Edward Armstrong, Fellow of the Royal Society 'Dear Sir, I regret to say that your request to re-suspend Mr Pickering's Certificate comes too late. The list of Candidates was read to the Society last Thursday. I am, Dear Sir, yours faithfully, Herbert Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 12 March 1889