Copy letter from Robert William Frederick Harrison to Professor A [Arthur] Dendy FRS 'In accordance with the request contained in your letter of March 22, I enclose herewith the paper by Mr C H O'Donoghue, communicated by you. The paper is returned on the understanding (which must be expressed in writing as required by Standing Orders) that it is to be regarded as not having been communicated to the Society at all. Will you be good enough to send me a formal notification to this effect?' 25 March 1912