Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir [Edward] John Russell, FRS Informs Sir [Edward] John Russell to expect formal permission to reproduce in his published lecture, the illustrations from [Winifred Elsie] Brenchley and [Henry Gerard] Thornton's paper ['The relation between the development, structure and functioning of the nodules on Vicia faba, as influenced by the presence or absence of boron in the nutrient medium]', which appeared in Proceedings B.98. 20 March 1928