File:Havelock and Tesla telecommunications research.jpg
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Size of this preview: 800 × 586 pixels. Other resolution: 1,130 × 828 pixels.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:52, 3 March 2017 | | 1,130 × 828 (446 KB) | Admin (talk | contribs) | Havelock and Tesla research telecommunication. |
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