Page 7 - B2Z 011 Morse Code
P. 7

However, the practice of using




      Morse code has declined



      substantially since its heyday.









      The electric telegraph was



      developed by Samuel F. B.




      Morse, Joseph Henry, and



      Alfred Vail in 1836.









      The telegraph functioned by



      sending pulses of electric




      current from one location



      to another.
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