Clue: Astronomers' instruments
We have 1 possible answer for the clue Astronomers' instruments which appears 1 time in our database.
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Related Clues:
- Navigating aids
- Navigation aids
- Navigation tools
- Instruments for navigation
- Instruments for measuring angular distances
- Instruments still around in a ship!
- Instruments for taking altitudes in navigation and surveying
- Mariners' aids
- Instruments for taking altitude in navigation and surveying
- Still surviving on board ship, they may be needed