File:Babbage sign language.jpg

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DescriptionBabbage sign language.jpg	English: w:Charles Babbage, description of a sign language for mechanical components. From On a method of expressing by signs the action of machinery (1827),
Date	1827
Source	http://archive.org/stream/philtrans09445034/09445034#page/n3/mode/2up
Author	Charles Babbage

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Charles Babbage

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Orientation	Normal
Software used	Microsoft Windows Photo Gallery 6.0.6001.18000
File change date and time	20:51, 25 April 2013
Unique image ID	143F0F1E14214C8EB154DB47F8F559FA

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