Copy letter from Robert William Frederick Harrison, to Richard Tetley Glazebook, Fellow of the Royal Society, 3 Erw Villas, Penmaenmawr, North Wales 'Dear Sir, Professor [Arthur William] Rucker thinks you would like to see the enclosed letter from Mr Sworn [not attached], which, when you have read, perhaps you will return to me. I hope to leave town next Tuesday morning. I am, Yours faithfully, Robt Harrison Asst. Sec. R. S. [Assistant Secretary, Royal Society]'. 29 July 1897