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Summary
| Description | Article in Science and Invention on Hold Your Breath. |
| Date | |
| Source | [https://worldradiohistory.com/Archive-Electrical-Experimenter/SI-1924-11.pdf) |
| Author | W. B. Arvin |
Licensing
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:32, 15 October 2022 | | 10,098 × 7,009 (23.34 MB) | Racconish | {{Information |Description=Article in ''Science and Invention'' on ''Hold Your Breath''. |Source=[https://worldradiohistory.com/Archive-Electrical-Experimenter/SI-1924-11.pdf) |Date=1924-11 |Author=W. B. Arvin |Permission= |other_versions= }} |
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