Alexander Graham Bell´s crossword

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Across
  1. 1. It is a set of “ropes” which connect telephones
  2. 2. Name of the European country where Alexander Graham was born.
  3. 5. It is exactly the opposite to a private service.
  4. 8. It is the main invention of Alexander Graham Bell.
  5. 10. During this month, Bell presented his invention at a scientific convention.
  6. 11. Was the first person who worked with Graham Bell. (member of his family)
Down
  1. 1. While Graham Bell had the idea of the telephone, _________ built it.
  2. 3. Thanks to the invention of telephone, this no wires-device was invented
  3. 4. The nationality of Graham Bell is…
  4. 6. It is the last name of the person who invented the gramophone.
  5. 7. One of the professions of Graham Bell
  6. 9. Name of the first Canadian city where Graham Bell arrived