Image: Telautograph-1888 electronic writing device
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Description: Main schema of the 1888 telautograph
Title: Telautograph-1888 electronic writing device
Credit: Original publication: United States Patent 386,815 Immediate source: http://www.freepatentsonline.com/386815.pdf
Author: Elisha Gray (Life time: 1901)
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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