Copy letter from Robert William Frederick Harrison, to Alexander Siemens, 12 Queen Annes Gate, Westminster, S.W. 'Dear Sir, I have to acknowledge your letter of to-day's date, which I have referred to the Secretaries, whose decision I will communicate to you without delay. I am, yours faithfully, Robt Harrison Asst Sec R.S. [Assistant Secretary, Royal Society]'. 27 April 1896