Image:GSCallendar1934.jpg
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Guy Stewart Callendar (February 1898 - October 1964) was an English steam engineer and inventor. His main contribution to knowledge was propounding the theory that linked rising carbon dioxide concentrations in the atmosphere to global temperature.
Photo taken 1934
Source: University of East Anglia Archive (provided by James R. Fleming).
URL: http://www.aip.org/history/climate/xGSCallendar.htm
| Non-free / fair use media rationale for Guy Stewart Callendar | |
|---|---|
| Description |
This image is a faithful digitalization of Guy Stewart Callendar , a historically significant photograph. |
| Source |
The image has been derived from: University of East Anglia Archive . |
| Article | |
| Portion used |
Because the image is historically significant, the entire image is needed to identify the subject, properly convey the meaning and branding intended, and avoid tarnishing or misrepresenting the image. |
| Low resolution? |
The copy is of sufficient resolution for commentary and identification but lower resolution than the original. Copies made from it will be of inferior quality, unsuitable for uses that would compete with any commercial purpose of the photograph. |
| Purpose of use |
Identification and critical commentary in the Guy Stewart Callendar article, a subject of public interest. It makes a significant contribution to the user's understanding of the article, which could not practically be conveyed by words alone. The image is placed next to the associated material discussing the work, to show the primary visual image associated with the work, and to help the user quickly identify the work and know they have found what they are looking for. |
| Replaceable? |
Because the image depicts a non-reproducible historic event, there is almost certainly no free equivalent. Any substitute that is not a derivative work would fail to convey the meaning intended, would tarnish or misrepresent its image, or would fail its purpose of identification or commentary. |
| Other information | Use of the historic image in the article complies with Wikipedia non-free content policy and fair use under United States copyright law as described above. The image meets general Wikipedia content requirements and is encyclopaedic. |
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This image is a faithful digitalization of a unique historic image, and the copyright for it is most likely held by the person who took the image or the agency employing the person. It is believed that the use of this Image
qualifies as fair use under United States copyright law. Other use of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Fair use for more information. If this does not accurately describe this image, please remove this tag and provide a different fair use rationale. |
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 17:21, 12 April 2008 | 385×500 (52 KB) | Tillman (Talk | contribs) | (Guy Stewart Callendar (February 1898 - October 1964) was an English steam engineer and inventor. His main contribution to knowledge was propounding the theory that linked rising carbon dioxide concentrations in the atmosphere to global temperature. Phot) |
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| Orientation | Normal |
|---|---|
| Horizontal resolution | 300 dpi |
| Vertical resolution | 300 dpi |
| Software used | Adobe Photoshop CS Windows |
| File change date and time | 10:33, 10 August 2007 |
| Color space | sRGB |
