|Alternative reference number||NLB/5 p469|
|Title||Copy letter from Herbert Rix, to Messrs Clay & Sons, Ave Maria Lane|
|Date||20 January 1892|
I thank you for the copy of your letter of June 1889. Enclosed herewith I send Prof. Rücker's [Professor Arthur Rücker] note which was omitted from mine of yesterday.
Asst Sec RS [Assistant Secretary, Royal Society]'.