Copy letter from Herbert Rix, to Professor Michael Foster, Secretary, Royal Society 'Dear Sir, The exact date when the separate copies of Dr Noel Paton's paper were published is March 13, 1894. You will find this printed in bottom right-hand corner of the first page of the paper as well as on the wrapper. I will get the book you mention. Yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society] P.S. I have ascertained that Dr Pavy's paper was set up in full for use at the meeting. The copy went to the printer for this purpose May 30, 1893'. 10 January 1896