Copy letter from Robert William Frederick Harrison, to The Secretary, Spanish Chamber of Commerce, 40 Trinity Square, E.C. 'Dear Sir, With reference to your letter of May 25, enclosing a communication from Signor Don Pedro Gomez Sanchez of Madrid, I am directed by the President to request you to inform Signor Sanchez that it is an established rule of the Society never to give their opinion as a body upon subjects submitted to them. I am, dear Sir, faithfully yours, Robt [Robert] Harrison Assistant Secretary, R.S. [Royal Society]'. 7 June 1907