protocol 10

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Across
  1. 4. the association of letters with speech sounds
  2. 6. a wind instrument of brass
  3. 7. a record of happiness
  4. 8. a device for detecting sounds transmitted through water
  5. 9. the quality or state of being synchronous
  6. 11. a list of events arranged in the order in which they occured
  7. 12. an accurate time or recording time
  8. 13. pleasing to the ear
  9. 14. to happen at the same time
  10. 15. an event or object is placed in a time period where it doesn't belong
  11. 17. a kind of organpipe
Down
  1. 1. a horn that increases the loudness of a voice
  2. 2. a letter or character which expresses a like sound with another
  3. 3. lasting o long time
  4. 5. a small telephone that people can take with them
  5. 9. the relation that exists when things occur at the same time
  6. 10. a composition for an orchestra to play
  7. 16. the minimum time required for excitation of a structure