CrosswordMint
Antiquated Instruments of Precise Quantification
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Rotating star map projecting heavens onto a flat plane
  • 2. Archive tool measuring oscillations in material structures
  • 3. Old instrument for counting steps or pacing precise distances
  • 4. Angular measure tool, once dominion of surveyors and dentists
  • 5. Obsolete term for an instrument measuring across celestial crowns
  • 6. Study and measurement of atmospheric weight, now overshadowed
  • 8. Obsolete light-based measure once used in early photography
  • 9. Navigator’s angle-slicer for maritime voyage calibration
  • 13. Bronze tube used in the past to gauge gas pressure subtly
  • 15. Imagined four-dimensional measure, historically explored by mystics
  • 17. Barometer sans liquid, archaic air-pressure gauge device
Down
  • 7. Device measuring rotational force, archaic but formerly vital
  • 10. Tiny ruler once favored by scribes for minute linear checks
  • 11. Altitude deduced through boiling point’s thermal whisper
  • 12. Eighth-part navigational device slicing the horizon sphere
  • 14. Historical instrument for pinpointing star cusp and angular limits
  • 16. Ancient celestial calculator revealing star positions and time
  • 18. Measuring vessel for precise transfer, often of wine or liquids

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