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Archaic Instruments of Precise Quantification is a hard crossword puzzle with 20 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Archaic Instruments of Precise Quantification
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Timepiece essential for 18th-century longitude finds
  • 2. Historic device to measure the inaudible
  • 5. Dial that calculates speed from rotation
  • 6. Instrument sinking to weigh liquid density
  • 9. Antique pressure gauge predicting changing skies
  • 10. Spinning cup device for wind velocity
  • 13. Navigational tool slicing horizons into eighths
  • 15. Rare antique for star-struck angular measurements
  • 17. Shadow-casting rod for ancient solar reckoning
Down
  • 3. Roman device for measuring finger lengths
  • 4. Mechanical tool for area calculations on maps
  • 7. Device for gauging timber lengths or thickness
  • 8. Land measuring device recording distance traveled
  • 11. Celestial calculator used by medieval mariners
  • 12. Ancient device for gauging altitude via boiling
  • 14. Obscure instrument once used for measuring arcs
  • 16. Grasping tool for diameters and depths
  • 18. Precision scale adding fractions to main rulers
  • 19. Instrument measuring angles, pivotal at sea
  • 20. Ancient weight measure, sometimes a device’s name
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