Polonium.jpg (329 × 314 pixels, file size: 13 KB, MIME type: image/jpeg)
 | The use of this file in the article(s) Polonium was reviewed by User:TLSuda on 23 March 2014 and deemed likely to meet Wikipedia's policy on non-freely licensed content, because it is thought to meet all criteria as described in Wikipedia:Non-free content criteria. This file's use on other pages or in different contexts may require additional review at Wikipedia:Files for discussion. |
Summary edit
| Description |
A thin film of polonium on a stainless-steel disk, the form in which it is sold as an alpha-particle source for scientific use. |
|---|---|
| Source |
Lapp, Ralph E. (1965). LIFE (ed.). MATTER. LIFE Science Library.. Picture credit: Albert Fenn; copyright Time Inc., 1965. |
| Date |
1965 |
| Author | |
| Permission (Reusing this file) |
The LIFE Science Library has been granted the sole and exclusive right and licence to produce, publish and further license the image
|
Fair use edit
| Description |
A thin film of polonium on a stainless-steel disk, the form in which it is sold as an alpha-particle source for scientific use. |
|---|---|
| Source |
Lapp, Ralph E. (1965). LIFE (ed.). MATTER. LIFE Science Library. |
| Article | |
| Portion used |
Full image. |
| Low resolution? |
The image is of a low size and resolution, sufficient to maintain the quality intended by the company, without being unnecessarily high resolution. It does not limit the copyright owner's rights to market or sell the work in any way. |
| Purpose of use |
The image is used to illustrate and identify the radioactive element in its pure form. |
| Replaceable? |
A free replacement image could not be created due to national security and safety restrictions against public handling or viewing the element. This image is one of the very few, or quite possibly the only one published on the pure element. |
| Other information |
Use of image in the following articles complies with Wikipedia non-free content policy and fair use under United States copyright law as described above. |
| Fair useFair use of copyrighted material in the context of Polonium//en.wikipedia.org/wiki/File:Polonium.jpgtrue | |
Licensing edit
 | This work is copyrighted (or assumed to be copyrighted) and unlicensed. It does not fall into one of the blanket acceptable non-free content categories listed at Wikipedia:Non-free content § Images or Wikipedia:Non-free content § Audio clips, and it is not covered by a more specific non-free content license listed at Category:Wikipedia non-free file copyright templates. However, it is believed that the use of this work:
qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content and Wikipedia:Copyrights. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:43, 26 January 2013 | | 329 × 314 (13 KB) | Sandbh (talk | contribs) | Picture tidied up by User:Fallschirmjäger, at request of User:Sandbh, to better bring out silver colour. Original pink background has been retained to this end. Size has been increased to 103,306 pixels, which is still compliant with [[WP:NFC]... |
You cannot overwrite this file.
