Copy letter from Robert William Frederick Harrison, to Dr Fedor J Blumbach, Inspecteur en Chef de la Chambre Centrale des Poids et Mesures, Zabalkansky 19, St Petersburg Through the courtesy of Sir James Dewar, the Royal Society have received a very admirable etched portrait of the late Professor Dmitri Ivanovich Mendeleef [Dmitri Ivanovich Mendeleev] which Blumbach and Mladentseff have been so good to present as a memoir of the great chemist. The President would like to convey the cordial thanks of the Royal Society. 9 February 1911