Item 11 - Letter from John Herschel

3 pp

2 Orchard St., Portman Sq. - WW's paper on Crystallography was read at the Royal Society and an abstract will be distributed at the next meeting ['A General Method of Calculating the Angles Made by Any Planes of Crystals, and the Laws According to which They are Formed', Phil. Trans., 1825]. JH did not hear whether WW had made any reference to Levy's paper in Brewster's journal. Because of the similarity with his paper, WW should refer to it in his abstract.