Copy letter from Robert Harrison, to C R Hodgson, College of Preceptors, Bloomsbury Square, W.C. 'Dear Sir, Referring to your letter of the 19th. inst. [instant], I enclose herewith the letter and card of invitation for the Jubilee Dinner of the College of Preceptors which you sent here for Lord Kelvin on the 18th inst. [instant]. I am, yours faithfully, Robt Harrison Asst. Sec. RS. [Assistant Secretary, Royal Society]'. 23 May 1896