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File:Induction coil cutaway.jpg

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Summary

Description
English: Drawing of an induction coil from a 1920 book on radio apparatus, with the outer surfaces drawn transparent, to show the construction.
Date
Source Downloaded from Harry Winfield Secor (1920) The How and Why of Radio Apparatus, 1st Ed., Experimenter Publishing Co., New York, p.5 on Google Books
Author Harry Winfield Secor
Permission
(Reusing this file)		 Public domain in USA - published in USA before 1923

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Public domain
Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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Date/TimeThumbnailDimensionsUserComment
current16:18, 28 September 2009Thumbnail for version as of 16:18, 28 September 2009775 × 688 (363 KB)DrJungedenoised, though not despeckled
11:58, 26 December 2008Thumbnail for version as of 11:58, 26 December 2008775 × 688 (202 KB)Chetvorno{{Information |Description={{en|1=Drawing of an Wikipedia:induction coil from a 1920 radio book, with the outer surfaces drawn transparent, to show the construction. }} |Source=Downloaded from [http://books.google.com/books?id=wxZLAAAAMAAJ&pg=PA5 H

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