Copy letter from [William Thomson, Lord] Kelvin, Netherhall, Largs, Ayrshire, to [Oliver Joseph] Lodge Kelvin thanks Lodge for his congratulations and he is glad that the volume is launched. His new freedom has meant that he can send a paper on waves to the Royal Society of Edinburgh, fulfilling an old promise. He is interested in new developments an the brilliant discoveries of Rutherford, Ramsay, and Soddy; all coming from 'the greatest discovery of the nineteenth century, the Becquerel rays'. He cannot give much weight to the gravitational heaviness of a single 'resinous' electron to the disintigrating atom, or the alteration in the quality of an atom over long periods, or the enormous energy stored there. 'I an now a convinced Boscovichian'. 13 February 1904