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Original file (1,216 × 1,046 pixels, file size: 701 KB, MIME type: image/jpeg)
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Summary
| Description |
English: Bigrid tetrode application as self-oscillating AM transmitter. H is a source of high voltage. |
| Date | |
| Source | https://archive.org/details/thermionictubesi00scotrich |
| Author | John Scott-Taggart |
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Licensing
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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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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:37, 12 December 2020 | | 1,216 × 1,046 (701 KB) | Gutten på Hemsen | Higher resolution from the source |
| 17:48, 8 January 2015 |  | 199 × 172 (13 KB) | G4oep | User created page with UploadWizard |
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