William Ramsay's correspondence and papers, vol. 13: Work on radium with Frederick Soddy Volume 13 of William Ramsay's correspondence and papers, as compiled by his former assistant, Morris W. Travers, following Ramsay's death. The contents of the volume include the following (amongst others): In the front of the volume: Photograph of Ramsay in his laboratory (from the ‘Bystander, 21 December 1904). Pages 1-16: Introduction. Pages 17-146: Correspondence and papers. (January 1903 – December 1904) Pages 27a-d: Correspondence between Travers and Frederick Soddy. (1952) Page 57: - W. Ramsay and F. Soddy, ‘Experiments in radioactivity and the production of helium from radium’ (reprinted from ‘Proceedings of the Royal Society’, Vol. 72, 1903). - As above, reprinted from the Smithsonian Report for 1903. Pages 96-99: W. Ramsay and F. Soddy, ‘Further experiments on the production of helium from radium’ (reprinted from ‘Proceedings of the Royal Society’, Vol. 73, 1904). Page 100: W. Ramsay and J.N. Collie, ‘The spectrum of the radium emanation’ (reprinted from ‘Proceedings of the Royal Society’, Vol. 73, 1904, photocopy). Page 112: W. Ramsay, ‘Present problems of inorganic chemistry’ (printed), a lecture delivered in 1904 to the International Congress of Science and Arts, St. Louis, USA. Page 127: Letter from Pierre and Marie Curie congratulating Ramsay on his Nobel Prize. 22 December 1904. Signed P Curie. Pages 132-137: ‘The sequence of events’, lecture delivered before the Royal Academy of Science at Stockholm, 1906 (printed). Page 146: Photographs of Ramsay in Switzerland. 1903-[1957]