File:Jan 1916 QST Oscillating Audion.png
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DescriptionJan 1916 QST Oscillating Audion.png |
English: Schematic diagram of an oscillating audion, an early direct-conversion receiver design |
Date | |
Source | "The Oscillating Audion". QST (January 1916) p. 4 |
Author | Clarence D. Tuska |
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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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current | 01:25, 2 July 2009 | 1,249 × 652 (21 KB) | Sagsaw (talk | contribs) | {{Information |Description={{en|1=Schematic diagram of an oscillating audion, an early direct-conversion receiver design}} |Source="The Oscillating Audion". QST (January 1916) p. 4 |Author=Clarence D. Tuska |Date=1916-01 |Permission= |other_versions= }} |
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