Copy letter from Robert William Frederick Harrison, to Dr [William] J S Lockyer, Solar Physics Observatory, South Kensington, S.W. In accordance with Sir Norman Lockyer's wishes conveyed in W J S Lockyer's letter, Harrison is giving directions to the printers to make a cliche of the illustration mentioned and to send it to Professor Kreutz who, he assumes, will pay the usual small charge. 16 March 1899