File:EB1911 Telegraph - Alternate Current Transformer System.jpg
EB1911_Telegraph_-_Alternate_Current_Transformer_System.jpg (766 × 393 pixels, file size: 58 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:17, 17 March 2016 | 766 × 393 (58 KB) | Library Guy | User created page with UploadWizard |
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