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- Baltimore-Washington_telegraph_line abstract "The Baltimore-Washington Telegraph Line was the first long-distance telegraph system set up to run overland in the United States, the intention being to utilize the telegraph code system - Morse Code - invented by Samuel Morse. Along with similar transmission networks in Europe, it was a precursor to transatlantic telegraphic communications and later technologies such as telephone, fax and email.In 1843 the United States Congress appropriated $10,000 to Samuel Morse in order to lay a telegraph line from Washington, D.C. to Baltimore, Maryland. The company's first experimental line was demonstrated on May 24, 1844 and commenced with the transmission of Morse's first message, "What hath God wrought!", a phrase from the Bible's Book of Numbers.".
- Baltimore-Washington_telegraph_line wikiPageExternalLink telegraph.aspx.
- Baltimore-Washington_telegraph_line wikiPageExternalLink detail.cfm?ID=324.
- Baltimore-Washington_telegraph_line wikiPageExternalLink index.html.
- Baltimore-Washington_telegraph_line wikiPageID "37110839".
- Baltimore-Washington_telegraph_line wikiPageRevisionID "599664249".
- Baltimore-Washington_telegraph_line hasPhotoCollection Baltimore-Washington_telegraph_line.
- Baltimore-Washington_telegraph_line subject Category:Telegraphy.
- Baltimore-Washington_telegraph_line comment "The Baltimore-Washington Telegraph Line was the first long-distance telegraph system set up to run overland in the United States, the intention being to utilize the telegraph code system - Morse Code - invented by Samuel Morse.".
- Baltimore-Washington_telegraph_line label "Baltimore-Washington telegraph line".
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- Baltimore-Washington_telegraph_line sameAs Q4852762.
- Baltimore-Washington_telegraph_line sameAs Q4852762.
- Baltimore-Washington_telegraph_line wasDerivedFrom Baltimore-Washington_telegraph_line?oldid=599664249.
- Baltimore-Washington_telegraph_line isPrimaryTopicOf Baltimore-Washington_telegraph_line.