CrosswordMint
Antique Instruments of Precision Measurement
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Obscure surveying tool designed to measure heights and distances through angular projection
  • 3. Mechanical integrator tracing boundary curves to calculate irregular area accurately
  • 4. Instrument invoking mercury or aneroid mechanisms to gauge atmospheric pressure
Down
  • 2. Fine scale inventively crafted to enhance caliper accuracy, enabling fractional measurement
  • 5. Precision screw gauge named for measuring minute lengths with calibrated spindle
  • 6. Navigational relic measuring angular distances for mariners by reflecting celestial bodies
  • 7. Medieval star-mapping device that charts celestial spheres with intricate plates

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