File:Radio-act-1912.png
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Size of this preview: 409 × 599 pixels. Other resolutions: 164 × 240 pixels | 328 × 480 pixels | 665 × 974 pixels.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:52, 17 October 2021 | | 665 × 974 (635 KB) | commons>Sparkie82 | Uploaded a work by Writtten by the Congress of United States and reproduced by Gernsback in 1922 with J.B. Lippincott Company from <nowiki><ref>{{cite book |title=Radio for All |date=1922 |publisher=Gernsback in 1922 with J.B. Lippincott Company |page=263 |url=https://web.archive.org/web/20211016030902/https://manifold.umn.edu/read/fc03beb6-e670-4746-af17-4bac70ddb764/section/f3c2753b-ee17-4d47-87be-cd72b86f3e28/resource/6b03b2b3-36f5-4160-96a5-2074e6915a72 |access-date=16 October 2021}}</ref... |
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