Abstract
IN 1868 Janssen (Compt. rend., 1868, vol. lxvii., p. 838) directed attention to the existence of certain lines hitherto unobserved in the solar spectrum, which we now know are given by the element helium. In the same year Frankland and Lockyer2 (Proc. Roy. Soc., 1868, vol. xvii., p. 91), from their observations on these spectral lines, were led to announce the existence of an element in the sun which up to that time had not been found on the earth. To this element they gave the name “helium”.
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MCLENNAN, J. Helium: Its Production and Uses1. Nature 105, 747–751 (1920). https://doi.org/10.1038/105747a0
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DOI: https://doi.org/10.1038/105747a0