File:Autographic telegraph instrument.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:32, 16 June 2021 | 1,820 × 2,690 (363 KB) | Doug Coldwell | Uploaded a work by United States Government, U.S. Patent and Trademark Office publishing the November 6, 1877 patent of William. Edward. Sawyer from https://patentimages.storage.googleapis.com/a9/e0/3d/44979d916dee62/US196832-drawings-page-3.png (Google patents) with UploadWizard |
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