Copy letter from Herbert Rix, to Vernon K Cornish, Ashurst Cottage, East Grinstead, Sussex 'Dear Sir, I am instructed by Sir Henry Roscoe, Hon. Secy [Honorable Secretary] Joule Memorial, to thank you for your promised contribution, and to say that, although the list is not yet closed, the promises have been called & are all paid up to date, so that as soon as you find convenient to send it, we can receive your contribution and add it to the fund. I am, Dear Sir, yours faithfully Herbert Rix Asst. Sec. RS [Assistant Secretary, Royal Society]'. 13 June 1891