File:Telautograph-1888 electronic writing device.png

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Description
English: Main schema of the 1888 telautograph
Date
Source

Original publication: United States Patent 386,815

Immediate source: http://www.freepatentsonline.com/386815.pdf
Author

Elisha Gray

(Life time: 1901)


Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1930.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Telautograph-1888_electronic_writing_device.png

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31 July 1888Gregorian

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Date/TimeThumbnailDimensionsUserComment
current18:08, 5 March 2012Thumbnail for version as of 18:08, 5 March 20121,690 × 2,267 (182 KB)wikimediacommons>Diego MoyaCropped

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