24 mayo 1844 año - Samuel F.B. Morse's Telegraph

Descripción:

Revolutionized long-distance communication. It worked by transmitting electrical signals over a wire laid between stations. By transmitting information quickly over long distances, the telegraph facilitated the growth in the railroads, consolidated financial and commodity markets, and reduced information costs within and between firms. First telegraphic message over an experimental line from Washington, D.C., to Baltimore.

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