Copy letter from Herbert Rix, to Professor Oliver Joseph Lodge, Fellow of the Royal Society 'Dear Sir, With reference to your two exhibits for the forthcoming Soirée (and which the Soirée Committee have accepted), I am enclosing a schedule to be filled in with some further particulars of your exhibit. The general title & explanatory statement we have already had from you. Perhaps you will be good enough to return the form early. Yrs [Yours] faithfully, Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 15 April 1891