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Description
English: 160W mercury-vapor "black light" ultraviolet bulb. It creates ultraviolet light with an electric arc through mercury vapor in a small quartz tube inside. The outer bulb has a dark blue-purple filtering material (Wood's glass is one type) which blocks most of the visible light, passing only the ultraviolet light. It emits long-wave (UVA) ultraviolet radiation, from the 253.7 nanometer mercury spectral line. These lamps are used mostly for lighting effects in theaters and stages.
Français : Ampoule à lumière noire 160W
Date
Source Own work
Author Mike796

Image d'une ampoule à lumière noire.

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December 2008

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Date/TimeThumbnailDimensionsUserComment
current05:27, 24 December 2008Thumbnail for version as of 05:27, 24 December 20081,944 × 2,592 (1.09 MB)Mike796{{Information |Description={{en|1=Black Light}} {{fr|1=Lumière Noire}} |Source=Own work |Author=Mike796 |Date=December 2008 |Permission= |other_versions= }} Image d'une ampoule à lumière noire. <!--{{ImageUpload|full}}-->

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