William Ramsay's correspondence and papers, vol. 10: The discovery of neon, krypton and xenon (part 1) Volume 10/1 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 are as follows: Pages 1-71: Introduction. (September 1949) Pages 72-250: Correspondence and papers. (March 1898 – October 1900) Pages 73-78: W. Ramsay and M.W. Travers, ‘The preparation and some of the properties of pure argon’ (reprinted from ‘Proceedings of the Royal Society’, Vol. 64, 1899). Pages 79-80: Photographs of the preparation of a large quantity of argon for liquefaction. Pages 92-93: W. Ramsay and M.W. Travers, ‘On a new constituent of atmospheric air’ (reprinted from ‘Proceedings of the Royal Society’, Vol. 63, 1898). Pages 107-109: W. Ramsay and M.W. Travers, ‘Argon and its companions’ (abstract reprinted from ‘Proceedings of the Royal Society’, Vol. 67, 1900). Pages 182-186: 'Über die neuerdings entdeckten Gase und ihre Beziehung zum periodischen Gesetz', lecture delivered by Ramsay to the German Chemical Society, 19 December 1898 (printed). Page 238: Photograph of the Travers hydrogen liquifier. Pages 240-243: ‘The discovery of the rare gases’, lecture delivered by Travers at the Science Masters’ Association at Bristol, 5 January 1933 (printed). Pages 244-250: Tadeusz Estreicher, 'Die Löslichkeits-verhältnisse von Argon und Helium im Wasser' (printed). 1898-[1957]