File:Britannica Radioactivity.jpg
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Captions
Captions
Radium emanation
Summary edit
| Description |
English: Recovery and Decay curves of Radium emanation on a diagram of radioactivity per time in days. |
| Date | published 1911 |
| Source | 1911 Encyclopædia Britannica, Vol. 22, p. 794 |
| Author | Unknown author |
Licensing edit
|
This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States. |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:09, 15 March 2020 | | 960 × 800 (131 KB) | Francois-Pier (talk | contribs) | Uploaded a work by {{unknown|author}} from 1911 Encyclopædia Britannica, Vol. 22, p. 794 with UploadWizard |
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