Copy letter from Robert William Frederick Harrison, to the Director-General of Stores, India Office, Whitehall, S.W. 'Sir, I have to acknowledge the receipt of your letter S. 17760, of the 27th. of December, relative to the list of Instruments now existing in the Kodaikanal Observatory. I am, Sir, Your obedient Servant, Robert Harrison Asst. Sec. R. S. [Assistant Secretary, Royal Society]'. 1 January 1902