File:Fessenden alternator transmitter (1906).jpg
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Original file (2,156 × 2,352 pixels, file size: 1.61 MB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:31, 20 November 2018 | 2,156 × 2,352 (1.61 MB) | Thomas H. White | Higher quality scan | |
16:43, 13 October 2018 | 301 × 293 (31 KB) | Sokoljan | improved contrast | ||
11:58, 13 January 2017 | 301 × 293 (25 KB) | Thomas H. White | User created page with UploadWizard |
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