File:Galena crystals for use in crystal radios.jpg
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![File:Galena crystals for use in crystal radios.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Galena_crystals_for_use_in_crystal_radios.jpg/540px-Galena_crystals_for_use_in_crystal_radios.jpg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:03, 7 July 2018 | ![]() | 718 × 797 (193 KB) | commons>Chetvorno | User created page with UploadWizard |
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