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Summary
| Description |
English: Demonstration of how to view the skull image in "The Ambassadors" may be viewed head on, through a tube. In this example, a 30cm perspex tube, 25mm diameter with 3mm width thickness was used, as demonstrated by Edgar Samuel in 1962. |
| Date | |
| Source | Own work |
| Author | JimKillock |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:18, 13 January 2024 | | 1,200 × 1,600 (168 KB) | JimKillock | Uploaded own work with UploadWizard |
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