Copy letter from Robert William Frederick Harrison, to Frank Horton, 17 Park Parade, Cambridge 'Dear Sir, With reference to my despatch the other day of a cheque for the second instalment of the payment of the Mackinnon Studentship, I am to remind you that the Committee administering this Studentship look forward to receiving from you before the expiration of the Studentship year, a Report upon the work for which the Studentship was awarded. I am, Dear Sir, faithfully yours, Robt [Robert] Harrison Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 25 February 1904