File:Polonium.jpg

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Summary

File information
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	Ralph E. Lapp
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

Non-free media information and use rationale true for Polonium
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	Polonium
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.wiki.x.io/wiki/File:Polonium.jpgtrue

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	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]...

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