Difference between revisions of "Category:Electrical telegraphy"

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[[Image:Electric Telegraph Military Beardslee Telegraph Attribution.jpg|thumb|right|An electric telegraph developed by George Beardslee in 1862 - Image by Rebecca Robbins Raines and The U.S. Army Signal Corps  ]]
  
IEEE GHN Category [[Category:Telegraphy]]
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The long-distance transmission of messages or information via electrical signals, usually over telecommunications lines or radio
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[[Category:Telegraphy|{{PAGENAME}}]]

Latest revision as of 21:21, 14 January 2013

An electric telegraph developed by George Beardslee in 1862 - Image by Rebecca Robbins Raines and The U.S. Army Signal Corps

The long-distance transmission of messages or information via electrical signals, usually over telecommunications lines or radio

Pages in category "Electrical telegraphy"

The following 7 pages are in this category, out of 7 total.

Media in category "Electrical telegraphy"

The following 2 files are in this category, out of 2 total.