File:Chokes from the April 1916 QST.png
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Chokes_from_the_April_1916_QST.png (687 × 276 pixels, file size: 6 KB, MIME type: image/png)
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Summary[edit]
DescriptionChokes from the April 1916 QST.png |
English: Diagram showing air coil RF chokes being used to prevent high voltage from damaging a transform used in a spark-gap transmitter. |
Date | |
Source | April 1916 QST Page 79. |
Author | Roy C. Burr |
Licensing[edit]
Public domainPublic domainfalsefalse |
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.
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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/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:55, 22 August 2009 | 687 × 276 (6 KB) | Sagsaw (talk | contribs) | {{Information |Description={{en|1=Diagram showing air coil RF chokes being used to prevent high voltage from damaging a transform used in a spark-gap transmitter.}} |Source=April 1916 QST Page 79. thumb|page=16 |Author=Roy C |
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April 1916Gregorian
image/png
11ff9c5502d88c448874305ee2b28addb6bba986
6,620 byte
276 pixel
687 pixel
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