Category:Telegraph transmission speed: Difference between revisions
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[[Image:Telegraph Transmission Speed Emile Baudot five keys telegraph keyboard.jpg|thumb|right|An 1884 drawing of a five key telegraph developed by Emile Baudot - the keys were added in order to increase the speed of telegraph transmissions ]] | |||
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Revision as of 21:54, 15 February 2012
IEEE GHN Category
Media in category "Telegraph transmission speed"
This category contains only the following file.
