Copy letter from Herbert Rix, to Professor Joseph Norman Lockyer, Fellow of the Royal Society 'Dear Sir, I am instructed by the Treasurer to thank you for the trouble which you have taken in obtaining the bronze medal for our collection, and to ask you to make known to M. [Monsieur Pierre] Janssen that the gift is much appreciated by the Royal Society. I am, yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 20 April 1894