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File:Cooke and Wheatstone electric telegraph.jpg

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Summary

Description
English: William Fothergill Cooke and Charles Wheatstone's electric telegraph ("needle telegraph") from 1837 now in the London Science Museum
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Source Photo by User:geni
Author Geni
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(Reusing this file)		 CC-BY-SA GFDL

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inception

December 2008

media type

image/jpeg

checksum

7d11d40ca6196eec32dc5f9f0c9bdeb2fe5c58df

determination method or standard: SHA-1

data size

2,251,173 byte

height

3,052 pixel

width

2,420 pixel

exposure time

0.0166666666666667 second

focal length

9.036 millimetre

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Date/TimeThumbnailDimensionsUserComment
current04:57, 13 December 2011Thumbnail for version as of 04:57, 13 December 20112,420 × 3,052 (2.15 MB)RotatebotBot: Image rotated by 270° (EXIF-Orientation set from 6 to 1, rotated 0°)
16:32, 12 April 2009Thumbnail for version as of 16:32, 12 April 20093,052 × 2,420 (2.15 MB)Geni{{Information |Description={{en|1=Photo of a William Fothergill Cooke and Charles Wheatstone's electric Telegraph from 1837 now in th london science museam}} |Source=Photo by User:geni |Author=Geni |Date=dec 2008 |Permission=CC-BY-SA GFDL |other_versi

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