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Timeless Tools of Measurement History
A crossword exploring classic tools once used for measurement that have since become obsolete.
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Across
  • 1. Pivoted support that allows an instrument to remain horizontal
  • 2. Highly accurate clock for celestial navigation
  • 3. Ancient device used to solve problems related to time and the position of the stars
  • 4. Instrument to measure distance traveled on land
  • 6. Precision instrument for measuring small distances
  • 8. Surveying record of land boundaries and measurements
  • 9. Slide scale used to improve measurement precision
  • 12. Apparatus originally designed for distillation but used in precise measurements
Down
  • 5. Unit and tool for measuring water depth
  • 7. Tool to measure applied rotational force, now largely replaced
  • 10. Instrument used to measure atmospheric pressure
  • 11. Device measuring distance traveled by a vehicle
  • 13. Navigation instrument for measuring angles between stars and horizon
  • 14. Weight on a string used for vertical alignment

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