William Ramsay's correspondence and papers, vol. 8: The discovery of helium (part 1) Volume 8/1 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 1-8: Introduction. Pages 28c-37: Correspondence following Travers’ [letter to?] the journal ‘Nature’, on Ramsay and helium. (1935) Pages 38-121: Correspondence and papers, including photographs of extracts from Ramsay’s laboratory notebooks. (February-April 1895). Pages 63-66: Copy of paper by W. Ramsay, ‘On a gas showing the spectrum of helium’ (‘Proceedings of the Royal Society’, Vol. 58, 1895). Pages 66-69: ‘On the new gas obtained from Uranite, preliminary note’, by J. Norman Lockyer. Page 82: Photograph of M. Berthelot. Pages 92-108: Manuscript of Ramsay’s address to the French chemical society. 1895-[1957]