Metron

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Across
  1. 3. heat
  2. 5. measuring the same
  3. 8. measurement of the earth
  4. 9. device to measure air pressure
  5. 10. measuring across
  6. 11. weight or pressure
  7. 14. earth
  8. 15. measure
  9. 17. through or across
  10. 18. same or equal
Down
  1. 1. wind
  2. 2. measures heat
  3. 4. measures wind speed
  4. 6. unit of measurement of 39.47 inches
  5. 7. one hundredth of a meter
  6. 12. measures eyesight
  7. 13. hundred
  8. 16. sight