File:Tritium-exit-sign.jpg

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English: A self-luminous exit sign of the tritium type. The sign contains glass tubes with a phosphor lining that gives off light when bombarded by radioactive tritium (Hydrogen-3) inside the tubes.

More information about tritium exit signs can be found in the Fact Sheet on Tritium (3H) EXIT Signs document from the Oregon Health Authority.
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Author Gazebo

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12 January 2014

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Date/TimeThumbnailDimensionsUserComment
current06:13, 27 March 2020Thumbnail for version as of 06:13, 27 March 20204,558 × 3,138 (4.42 MB)GazeboAdded additional metadata (ImageDescription, Artist, and Copyright) and updated the comment and XMP-cc:License metadata to refer to the Creative Commons Attribution-ShareAlike 4.0 International License instead of the Creative Commons Attribution-ShareAlike 3.0 Unported License.
12:20, 14 June 2016Thumbnail for version as of 12:20, 14 June 20164,558 × 3,138 (4.42 MB)GazeboChanged EXIF metadata to use HTTPS for the Wikimedia Commons link and more up to date contact information for Creative Commons.
01:08, 13 January 2014Thumbnail for version as of 01:08, 13 January 20144,558 × 3,138 (4.42 MB)Gazebo{{Information |Description ={{en|1=A self-luminous exit sign of the {{w|Tritium illumination|tritium}} type. The sign contains glass tubes with a phosphor lining that gives off light when bombarded by radioactive tritium (Hydrogen-3) inside the tube...

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