File:Tritium-exit-sign.jpg

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Original file ‎(4,558 × 3,138 pixels, file size: 4.42 MB, MIME type: image/jpeg)

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Summary

Description
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.
Date
Source Own work
Author Gazebo

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attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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inception

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)commons>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.

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