File:Cooke And Wheatstone Electric Telegraph.jpg : Soft.lk - A Premium Software Developers - Meet one of the most powerful and intuitive POS systems for retail in Sri Lanka

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	04:57, 13 December 2011		2,420 × 3,052 (2.15 MB)	Rotatebot	Bot: Image rotated by 270° (EXIF-Orientation set from 6 to 1, rotated 0°)
	16:32, 12 April 2009		3,052 × 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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Camera manufacturer	Canon
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ISO speed rating	200
Date and time of data generation	16:59, 5 October 2007
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Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
File change date and time	16:59, 5 October 2007
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	16:59, 5 October 2007
Meaning of each component	Y Cb Cr does not exist
Image compression mode	5
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APEX aperture	2.96875
Exposure bias	0
Maximum land aperture	2.96875 APEX (f/2.8)
Metering mode	Pattern
Flash	Flash fired, auto mode, red-eye reduction mode
Supported Flashpix version	1
Color space	sRGB
Focal plane X resolution	13,745.704467354
Focal plane Y resolution	13,698.630136986
Focal plane resolution unit	inches
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File source	Digital still camera
Custom image processing	Normal process
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White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard