Copy letter from Robert William Frederick Harrison, to the Swan Engraving Company, 116 Charing Cross Road, W.C. In reference to their recent memorandum, if they have not already been sent, the photogravure portraits of Sir Gabriel Stokes executed by them for the Royal Society, may be delivered to Harrison & Sons. If they were referring to the plates from which the impressions were taken, these may also go to the same address for storage. 12 February 1904