A New Ultra-Violet Mercury Lamp


    UNDER the name of “The Uviol Lamp,” Dr. O. Schott, of Jena, is introducing a modification ot the Cooper Hewitt mercury vapour lamp, which appears likely to prove useful. The illuminating power of these lamps is very high, and the arc is very rich in ultra-violet rays, but the glass envelope hitherto prevented the passage of many of these actinic radiations. Dr. Zchimrner has recently produced at Jena glasses which are pervious to the ultraviolet rays, and Dr. Schott has made the envelope of the new lamp of this material.

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    A New Ultra-Violet Mercury Lamp . Nature 72, 513–514 (1905). https://doi.org/10.1038/072513a0

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