File:R-1 nuclear reactor, North Carolina State University (ca. 1953).jpg

Obtained from http://www.lib.ncsu.edu/exhibits/engineering/. Image copyright owned by North Carolina State University.

Legal information can be found at [1]. The key paragraph was:

The materials from our collections are made available for use in research, teaching, and private study, pursuant to U.S. Copyright law. The user must assume full responsibility for any use of the materials, including but not limited to, infringement of copyright and publication rights of reproduced materials. Any materials used for academic research or otherwise should be fully credited with the source.

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: To illustrate the subject in question Where no free equivalent is available or could be created that would adequately give the same information On the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation, 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. Fair use //en.wikipedia.org/wiki/File:R-1_nuclear_reactor,_North_Carolina_State_University_(ca._1953).jpg true

To the uploader: Please add a detailed non-free use rationale for each article the image is used in, which must also declare compliance with the other parts of the non-free content criteria, as well as the source of the work and copyright information. For example non-free use rationales, see Wikipedia:Use rationale examples. Template:Non-free use rationale may be helpful for stating the rationale. This tag is not a sufficient claim of fair use. To patrollers and administrators: If this image has an appropriate rationale please append |image has rationale=yes as a parameter to the license template.

The image linked here is claimed to be used under fair use as:

1. The image is of low resolution.
2. The image is only being used informational purposes.
3. Because of the subjects historical significance, the image adds significantly to the article NCSU Reactor Program when describing the subject.
4. Use with the source fully credited is believed to be consistent with the library's copyright statement.