Getting names right is rather important in the history of science | The Renaissance Mathematicus
Brass Astrolabe Vintage Antique Astrolabe 10.5" English Globe Navigation Maritime Astrological Calendar Collectible Navigation Astrolabe : Amazon.ca: Sports et Plein air
Antique Brass Astrolabe, Islamic Scientific Astrolabe, Astronomy, Astronomical Masterpiece, Navigation Device, Star Observation, Solar Watch - Etsy
Astrolabe, an instrument used to make astronomical measurements, typically of the altitudes of celestial bodies, and in navigation for calculating lat Stock Photo - Alamy
Navigation and Related Instruments in 16th-Century England - Fort Raleigh National Historic Site (U.S. National Park Service)
The astrolabe: the Swiss Army knife of ancient celestial navigation