Image:Discovery of neon isotopes.JPG
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Discovery_of_neon_isotopes.JPG (211 × 303 pixel, file size: 19 KB, MIME type: image/jpeg)
Summary
From JJ Thomson's "Rays of positive electricity", 1913.
Licensing
This image is in the public domain in the United States. In most cases, this means that it was first published in the United States prior to January 1, 1923 (see the talk page for more cases). Other jurisdictions may have other rules, and this image might not be in the public domain outside the United States. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
File history
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- (del) (cur) 21:08, 5 November 2006 . . Kurzon ( Talk | contribs) . . 211×303 (18,970 bytes) (From JJ Thomson's "Rays of positive electricity", 1913.)
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File links
- Isotope
- J. J. Thomson
Category: Images in the public domain in the United States