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File:Becquerel plate.jpg

Becquerel_plate.jpg(492 × 397 pixels, file size: 28 KB, MIME type: image/jpeg)

Summary

Photographic plate made by Henri Becquerel showing effects of exposure to radioactivity.

Source: http://en.wikipedia.org/wiki/Image:Becquerel_plate.jpg

Licensing

Public domain This work is in the public domain in the United States, and those countries with a copyright term of life of the author plus 100 years or less.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
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