File:Cyclotron patent.png

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Description Image of the principles of a cyclotron.
Date
Source U.S. Patent 1,948,384
Author Ernest O. Lawrence

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Public domain The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted.See [1], 37 CFR 1.7(d), 37 CFR 1.84(s)

The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.

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current02:14, 30 January 2006Thumbnail for version as of 02:14, 30 January 20061,598 × 862 (45 KB)Fastfission~commonswiki (talk | contribs)Image of the principles of a cyclotron. Taken from {{US patent|1948384}} -- Ernest O. Lawrence -- ''Method and apparatus for the acceleration of ions''. Category:Particle accelerators

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