File:StanleyTransformer2.png

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Description
English: Induction coil - Sept. 21, 1886 - William Stanley
Date
Source U.S. Patent 349,611
Author William Stanley
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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 37 CFR 1.71(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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The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
2007-06-05 20:23 2158×1053× (54504 bytes) Jak123 * '''{{US patent|349611}}''' - ''Induction coil'' - Sept. 21, 1886 - [[William Stanley (physicist)|William Stanley]]

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current21:42, 24 April 2017Thumbnail for version as of 21:42, 24 April 20172,158 × 1,053 (53 KB)Tholme (talk | contribs)Transferred from en.wikipedia

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