File:Alexanderson Alternator 0312.jpg
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:06, 27 March 2019 | | 1,679 × 1,500 (409 KB) | Administrator1 (talk | contribs) | |
| 19:51, 10 November 2008 |  | 535 × 480 (32 KB) | Leydoig (talk | contribs) | Copyright held by Smithsonian |
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