William Ramsay's correspondence and papers, vol. 12 (part 1) Volume 12/1 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 1-18: Introduction. Pages 19-95: Correspondence and papers (pagination inaccurate). (June 1901-December 1902) Pages 30-31: W. Ramsay and H.S. Hatfield, ‘Preliminary note on hydrides of boron’ (photocopy). From ‘Proceedings of the Chemical Society’, Vol. 17, 1901. Pages 85-95: W. Ramsay, ‘An attempt to estimate the relative amounts of krypton and xenon in atmospheric air’ (reprinted from ‘Proceedings of the Royal Society, Vol. 71, 1903). At the end of the volume: - B.D. Steele, ‘An accurate method of measuring the compressibilities of vapours’ (reprinted from ‘J. Chem. Soc.’, Vol. 81, 1902). - W. Ramsay and B.D. Steele: 'Die Dampfdichten einiger Kohlenstoff-verbindungen...' (photocopy), from 'Zeitschrift für physicalische chemie', Bd. 44, 1903. Translated from a paper in Proceedings of the Physical Society, Vol. 18, 1903. 1901-[1957]