Astrolabe, an instrument used to make astronomical measurements, typically of the altitudes of celestial bodies, and in navigation for calculating lat


Astrolabe, an instrument used to make astronomical measurements, typically of the altitudes of celestial bodies, and in navigation for calculating latitude, before the development of the sextant.


Size: 5616px × 4308px
Photo credit: © mark higgins / Alamy / Afripics
License: Royalty Free
Model Released: No

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