Copy letter from Robert William Frederick Harrison, to the President, Kg. Bayerische Akademie der Wissenschaften, Munich [Germany] 'Dear Sir, I have to acknowledge the receipt of your letter of the 21st December containing the proposal of the Academie at Cottingen, Leipzig, Munich and Vienna with regard to Atmospheric Electricity. I am, Dear Sir, Faithfully yours, Robt [Robert] Harrison Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 4 January 1904