File:Progress in Electronics 6c 1973 issue U.S. stamp.jpg
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| Description |
English: Progress in Electronics - Marconi Spark Coil, Marconi Spark Gap - 6-cent 1973 issue U.S. stamp. |
| Date | |
| Source | U.S. Postal Service; National Postal Museum: Electronics Progress Issue |
| Author | Bureau of Engraving and Printing. Designed by Walter and Naiad Einsel. |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:45, 21 August 2016 | | 1,294 × 832 (397 KB) | MrFrosty2 (talk | contribs) | User created page with UploadWizard |
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