Rotary_spark_gap_transmitter.jpg (700 × 450 pixels, file size: 135 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:08, 3 May 2021 | 700 × 450 (135 KB) | Materialscientist | fft | |
10:44, 29 August 2013 | 700 × 450 (80 KB) | Chetvorno | User created page with UploadWizard |
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