Copy letter from Herbert Rix, to Messrs Cassell & Company, La Belle Sauvare, Ludgate Hill, S.E. 'Dear Sirs, I have to acknowledge receipt of your note of the 17th with two copies each of five survey maps, the remainder to follow next week. The bulk of the maps are to be sent to Harrison & Sons, 45 St Martin's Lane, W.C., and I will instruct them to receive them. Yours faithfully, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 18 March 1896