Week 17 Assessment

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Across
  1. 3. Samuel Morse's partner in developing Morse code
  2. 5. the part of the telegraph used to receive and record incoming messages
  3. 7. a universal distress signal
  4. 8. the part of the telegraph that provides the electric current
  5. 9. an alphabet with letters that are represented by long and short signals of sound or light
Down
  1. 1. the first company to provide mail service in the United States
  2. 2. a magnet with a metal core that is magnetized by an electric current running through a coil that surrounds it
  3. 4. sea-related code originated in Morse code
  4. 6. the part of the telegraph used to transmit outgoing messages