File:Cooke and Wheatstone electric telegraph.jpg

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English: William Fothergill Cooke and Charles Wheatstone's electric telegraph ("needle telegraph") from 1837 now in the London Science Museum
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Author Geni
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December 2008

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current04:57, 13 December 2011Thumbnail for version as of 04:57, 13 December 20112,420 × 3,052 (2.15 MB)wikimediacommons>RotatebotBot: Image rotated by 270° (EXIF-Orientation set from 6 to 1, rotated 0°)

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