File:Cooke and Wheatstone electric telegraph.jpg
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Size of this preview: 475 × 599 pixels. Other resolutions: 190 × 240 pixels | 380 × 480 pixels | 609 × 768 pixels | 812 × 1,024 pixels | 2,420 × 3,052 pixels.
Original file (2,420 × 3,052 pixels, file size: 2.15 MB, MIME type: image/jpeg)
Summary
| Description |
English: William Fothergill Cooke and Charles Wheatstone's electric telegraph ("needle telegraph") from 1837 now in the London Science Museum |
| Date | |
| Source | Photo by User:geni |
| Author | Geni |
| Permission (Reusing this file) |
CC-BY-SA GFDL |
Licensing
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:57, 13 December 2011 | | 2,420 × 3,052 (2.15 MB) | wikimediacommons>Rotatebot | Bot: Image rotated by 270° (EXIF-Orientation set from 6 to 1, rotated 0°) |
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