Challenging puzzle for experienced crossword solvers
Obscure Instruments of Measurement Past
Moderate difficulty suitable for most players
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Across
- 1. Vessel once used for measuring and pouring liquids precisely
- 2. Large ancient stones sometimes aligned for solar measurements
- 3. A quarter-circle tool once used to measure angles in navigation
- 4. Navigation instrument for measuring angular distance between objects
- 5. A precise scale used on calipers for fine measurements
- 7. Latin term meaning 'step', used in early angle measurement
- 9. Obsolete biblical unit of volume for grains or liquids
- 12. Old English volume measure often used for liquids
- 13. Definition of energy unit once hard to measure precisely
- 16. An ancient measure based on the length of the forearm
- 17. Old unit of weight originally based on a coin weight
- 19. Surveying unit of length equal to 66 feet
Down
- 6. Ancient device used to measure celestial positions
- 8. A distance measurement between thumb and little finger
- 10. A sighting device used in surveying and astronomy
- 11. Depth measurement unit once used by sailors
- 14. An ancient Egyptian unit of length
- 15. Venetian measure of length, now obsolete
- 18. A unit for gemstone weight once based on carob seeds
- 20. Old hand-based unit roughly equal to the width of the hand
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