Telegraph - Electrical Signals, Morse Code, Communication

Telegraph - Electrical Signals, Morse Code, Communication: Although railroad traffic control was one of the earliest applications of the telegraph, it immediately became a vital tool for the transmission of news around the country. In 1848 the Associated Press was formed in the United States to pool telegraph expenses, and in 1849 Paul Julius Reuters in Paris initiated telegraphic press service (using pigeons to cover sections where lines were incomplete). By 1851 more than 50 telegraph companies were in operation in the United States. One of the most significant was the New York and Mississippi Printing Telegraph Company formed by Hiram Sibley, which was soon consolidated with

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