Astrolabe 1400S
Jan. 11, 2025
Mariners Astrolabe Geocoin - Antique Bronze Planispheric Astrolabe, North African, 18th century. Silver. An astrolabe was an elaborate inclinometer, historically used by astronomers and navigators to measure the altitude above the horizon of a celestial body, day or Measuring instrument: 16th century Portuguese nautical astrolabe. Oxford. University Astrolabe 1400S