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File:Clyde W. Tombaugh.jpeg

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Description
English: The astronomer Clyde Tombaugh, discoverer of Pluto here shown with his homemade 9-inch telescope.
Date circa 1930
date QS:P,+1930-00-00T00:00:00Z/9,P1480,Q5727902
Source
English: I cropped this image from the original found at O'Hara, Elva R. (2006). Clyde W. Tombaugh: Farm Boy Reached for the Stars. Borderlands 25.
Author Unknown author
Permission
(Reusing this file)		 This photo appears on page 28 (also here) of the June 1930 issue of Popular Science Monthly. That issue was both published with notice and registered with the U.S. Copyright Office (registration no. "B 76212"). However, a careful manual search of the renewal records for 1957, 1958, and 1959 found no renewal was recorded for registration "B 76212" or any other issue of Popular Science Monthly magazine in these years. This is consistent with UPenn's research which says that no issues of Popular Science were ever renewed.

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Public domain
This work is in the public domain because it was published in the United States between 1925 and 1963 and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.

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Date/TimeThumbnailDimensionsUserComment
current00:36, 30 April 2012Thumbnail for version as of 00:36, 30 April 2012766 × 1,000 (159 KB)The Obento Musubi (talk | contribs){{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|A photograph of Clyde Tombaugh, discoverer of the dwarf planet Pluto.}} |Source = http://start.epcc.edu/nwlibrary/borderlands/25/tombaugh.htm |Author = NASA }} ;Other informat...

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