File:Thinking with Time Machine Header.jpg
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:36, 4 May 2021 | | 616 × 353 (43 KB) | Tark (talk | contribs) | |
| 18:01, 21 April 2014 |  | 292 × 136 (13 KB) | I-ghost (talk | contribs) |
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