Abstract
IN a paper which I had the honour of presenting to the Royal Society in March, 1879,2 I drew attention to the fact that many substances when in high vacua and submitted to the molecular discharge by means of an induction coil, emitted phosphorescent light; and I especially mentioned the phosphorescent sulphides, the diamond, the ruby, and various other forms of alumina, crystalline and amorphous.
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On Discontinuous Phosphorescent Spectra in High Vacua 1 . Nature 24, 89–91 (1881). https://doi.org/10.1038/024089a0
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DOI: https://doi.org/10.1038/024089a0