Copy letter from Herbert Rix, to Henry C Burdett, Share & Loan Department, The Stock Exchange, E.C. 'Dear Sir, Your note addressed to the President has been received. The 12th volume of your very valuable work duly came to hand, and the official letter of thanks was sent ^to your address^ some time since. I shall bring the work to the notice of our Treasurer when I see him this afternoon. I am, yours faithfully, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 2 April 1894